[User] List all log entries associated with users who have participated in any trade, showing the log details and the trade ID.

[Assistant] SELECT T1.log_id, T1.action, T1.details, T1.logged_at, T2.trade_id, T2.buyer_id, T2.seller_id FROM logs AS T1 JOIN trades AS T2 ON T1.user_id = T2.buyer_id OR T1.user_id = T2.seller_id;

[User] Only show logs and trades that occurred in the last week.

[Assistant] SELECT T1.log_id, T1.action, T1.details, T1.logged_at, T2.trade_id, T2.buyer_id, T2.seller_id FROM logs AS T1 JOIN trades AS T2 ON T1.user_id = T2.buyer_id OR T1.user_id = T2.seller_id WHERE T1.logged_at >= datetime('now', '-7 days') AND T2.traded_at >= datetime('now', '-7 days');

[User] Can you instead provide a count of such log entries per user who traded, for the last week?

[Assistant] SELECT T1.user_id, COUNT(DISTINCT T1.log_id) AS log_count FROM logs AS T1 JOIN trades AS T2 ON T1.user_id = T2.buyer_id OR T1.user_id = T2.seller_id WHERE T1.logged_at >= datetime('now', '-7 days') AND T2.traded_at >= datetime('now', '-7 days') GROUP BY T1.user_id;

[User] Also include the total number of trades for each user in the same period and sort by trade count descending.

[Assistant] SELECT T1.user_id, COUNT(DISTINCT T1.log_id) AS log_count, COUNT(DISTINCT T2.trade_id) AS trade_count FROM logs AS T1 JOIN trades AS T2 ON T1.user_id = T2.buyer_id OR T1.user_id = T2.seller_id WHERE T1.logged_at >= datetime('now', '-7 days') AND T2.traded_at >= datetime('now', '-7 days') GROUP BY T1.user_id ORDER BY trade_count DESC;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE trading_platform.wallets ( wallet_id.text, user_id.text, address.text, private_key.text, created_at.timestamp )
CREATE TABLE trading_platform.trades ( trade_id.text, order_id.text, buyer_id.text, seller_id.text, asset_id.text, quantity.numeric, price.numeric, traded_at.timestamp )
CREATE TABLE trading_platform.utxos ( utxo_id.text, transaction_id.text, output_index.integer, address.text, amount.numeric, spent.boolean )
CREATE TABLE trading_platform.dapps ( dapp_id.text, name.text, description.text, url.text )
CREATE TABLE trading_platform.peers ( peer_id.text, ip_address.text, port.integer, last_seen.timestamp )
CREATE TABLE trading_platform.logs ( log_id.text, user_id.text, action.text, details.text, logged_at.timestamp )


[User] Show me the top 5 tokens by 24-hour trading volume on the Ethereum chain, along with their narrative and 7-day price change percentage.

[Assistant] SELECT t.token_symbol, t.narrative, t.price_change_percentage_7d FROM token_basic_info t WHERE t.chain = 'Ethereum' ORDER BY CAST(t.total_volume AS numeric) DESC LIMIT 5;

[User] Can you also include their liquidity from the token_dexpool_info table?

[Assistant] SELECT t.token_symbol, t.narrative, t.price_change_percentage_7d, d.liquidity FROM token_basic_info t JOIN token_dexpool_info d ON t.token_symbol = d.token_symbol AND t.chain = d.chain WHERE t.chain = 'Ethereum' ORDER BY CAST(t.total_volume AS numeric) DESC LIMIT 5;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE token_basic_info ( coin_id character varying(100) NOT NULL, -- the id of the token token_name character varying(100) NOT NULL, -- the token's name token_symbol character varying(100) NOT NULL, -- the token's symbol token_address character varying(100) NOT NULL, -- the token's address chain text, -- the chain that the token resides price double precision, -- the current price of the token price_change_percentage_1h double precision, -- change in value divided by the absolute price value of the original token price in 1 hour price_change_percentage_24h double precision, -- change in value divided by the absolute price value of the original token price in 24 hours price_change_percentage_7d double precision, -- change in value divided by the absolute price value of the original token price in 7 days highest_price_24h double precision, -- the highest price of the token in 24 hours lowest_price_24h double precision,  -- the lowest price of the token in 24 hours market_cap double precision, -- the market cap of the token market_cap_rank bigint, -- the rank of the token market cap in desc market_cap_change_percentage_24h text, -- the percentage of market cap changes in 24 hours total_volume text, -- the trade volum of the token both in decentralized exchange(DEX) and centralized exchange(CEX) narrative text, -- the category or narrative of the token trend_rank biging, -- the trending rank of the token, value 1 expresses the most popular token. ,PRIMARY KEY (coin_id, chain) )
CREATE TABLE narrative_info ( narrative character varying(512) NOT NULL, -- the id of narrative top_3_coins text, -- the top 3 tokens in the narrative price_change_percentage_1h double precision, -- change in value divided by the absolute price value of the original token price in 1 hour in the narrative price_change_percentage_24h double precision, -- change in value divided by the absolute price value of the original token price in 24 hours in the narrative price_change_percentage_7d double precision, -- change in value divided by the absolute price value of the original token price in 7 days in the narrative market_cap double precision, -- the market cap of the narrative volume_24h double precision, -- the trade volume of the narrative trend_rank bigint, -- the trending rank of the narrative, value 1 expresses the most popular narrative token_num bigint, -- total token number in the narrative ,PRIMARY KEY (narrative) )
CREATE TABLE token_dexpool_info ( pair_address character varying(512) NOT NULL, -- the id of dexpool token_name character varying(100) NOT NULL, -- the name of the token in the dexpool token_symbol character varying(100) NOT NULL, -- the token's symbol chain text, -- the chain that the dexpool resides price double precision, -- the current price of the token price_change_percentage_1h double precision, -- change in value divided by the absolute price value of the original token price in 1 hour price_change_percentage_6h double precision, -- change in value divided by the absolute price value of the original token price in 6 hours price_change_percentage_24h double precision, -- change in value divided by the absolute price value of the original token price in 24 hours makers_24h double precision, -- the makers of the dex pool in 24 hours volume_24h double precision, -- the trade volume of the dex pool in 24 hours liquidity double precision, -- the liquidity of the dex pool market_cap double precision, -- the market cap of the token trend_rank bigint, -- the rank of token in the dex pool of recent trending, value 1 expresses the most popular token. ,PRIMARY KEY (pair_address, chain) )
CREATE TABLE smart_money_profit ( address character varying(100) NOT NULL, -- the user's address rank INT, -- the rank of the address in trade performance, value 1 expresses the best address. profit numeric(38,6), -- the profit user made in a month roi numeric(38,2), -- the roi of the user in a month realized_ratio numeric(38,2), -- the percentage of the user's realized profit most_profit_token character varying(100), -- the token symbol of the user's most profitable trade last_trade_time character varying(100), -- the last trade time of the user chain character varying(100), -- the chain that the address resides PRIMARY KEY (address, chain) )
CREATE TABLE smart_money_token_performance ( token_address character varying(100) NOT NULL, -- the token's address token_symbol character varying(100), -- the tokens's symbol pnl numeric(38,2), -- the profit users made on this token net_flow numeric(38,2), -- the netflow of the token, means the money user spent minus the the money user sold of this token avg_cost numeric(38,16), -- the average cost price of user spent on this token price double precision, -- the current price of the token realized_ratio numeric(10,2), -- the ratio user sold of the token roi numeric(10,2), -- the roi users made of this token chain character varying(100), -- the chain that the token resides PRIMARY KEY (token_address, chain) )
CREATE TABLE smart_money_token_inflow ( token_address character varying(100) NOT NULL, -- the token's address token_symbol character varying(100), -- the tokens's symbol token_amount numeric(38,2), -- the absolute value of the amount if user bought minus  the amount user sold of this token usd_value numeric(38,2), -- the absolute usd value of the bought token minus sold token avg_price numeric(38,6), -- the average cost price of user spent on this token type int, -- the direction of the trade on this token. 1 means buying, 2 means selling address_amount integer, -- the amount of the user bought this token narrative character varying(100), -- the category or narrative of the token chain character varying(100), -- the chain that the token resides ,PRIMARY KEY (token_address, chain) )


[User] What is the current market cap and 7-day price change percentage for the top 3 narratives by trend rank?

[Assistant] SELECT narrative, market_cap, price_change_percentage_7d FROM narrative_info ORDER BY trend_rank ASC LIMIT 3;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
 "CREATE TABLE token_basic_info (",
    "coin_id character varying(100) NOT NULL, -- the id of the token",
    "token_name character varying(100) NOT NULL, -- the token's name",
    "token_symbol character varying(100) NOT NULL, -- the token's symbol",
    "token_address character varying(100) NOT NULL, -- the token's address",
    "chain text, -- the chain that the token resides",
    "price double precision, -- the current price of the token",
    "price_change_percentage_1h double precision, -- change in value divided by the absolute price value of the original token price in 1 hour",
    "price_change_percentage_24h double precision, -- change in value divided by the absolute price value of the original token price in 24 hours",
    "price_change_percentage_7d double precision, -- change in value divided by the absolute price value of the original token price in 7 days",
    "highest_price_24h double precision, -- the highest price of the token in 24 hours",
    "lowest_price_24h double precision,  -- the lowest price of the token in 24 hours",
    "market_cap double precision, -- the market cap of the token",
    "market_cap_rank bigint, -- the rank of the token market cap in desc",
    "market_cap_change_percentage_24h text, -- the percentage of market cap changes in 24 hours",
    "total_volume text, -- the trade volum of the token both in decentralized exchange(DEX) and centralized exchange(CEX)",
    "narrative text, -- the category or narrative of the token",
    "trend_rank biging, -- the trending rank of the token, value 1 expresses the most popular token.",
    ",PRIMARY KEY (coin_id, chain));",

 "CREATE TABLE narrative_info (",
    "narrative character varying(512) NOT NULL, -- the id of narrative",
    "top_3_coins text, -- the top 3 tokens in the narrative",
    "price_change_percentage_1h double precision, -- change in value divided by the absolute price value of the original token price in 1 hour in the narrative",
    "price_change_percentage_24h double precision, -- change in value divided by the absolute price value of the original token price in 24 hours in the narrative",
    "price_change_percentage_7d double precision, -- change in value divided by the absolute price value of the original token price in 7 days in the narrative",
    "market_cap double precision, -- the market cap of the narrative",
    "volume_24h double precision, -- the trade volume of the narrative",
    "trend_rank bigint, -- the trending rank of the narrative, value 1 expresses the most popular narrative",
    "token_num bigint, -- total token number in the narrative",
    ",PRIMARY KEY (narrative));"

  "CREATE TABLE cex_token_balance (",
    "snapshot_time character varying(32) NOT NULL,  -- the snapshot time of record, converted from original timestamp",
    "chain character varying(128) NOT NULL, -- the chain that the token resides",
    "address character varying(128) NOT NULL, -- the address that holds the assets, owned by a CEX",
    "exchange character varying(512) NOT NULL, -- a centralized exchange name",
    "token_address character varying(128) NOT NULL, -- token contract address",
    "token_symbol character varying(512), --token symbol",
    "balance numeric(38,10), -- token balance",
    "usd_value numeric(38,14), -- value of the token held in USD",
    "price double precision, --price of the token in USD",
    ",PRIMARY KEY (snapshot_time, exchange, address, chain, token_address));"

  "CREATE TABLE smart_money_profit (",
    "address character varying(100) NOT NULL, -- the user's address",
    "rank INT, -- the rank of the address in trade performance, value 1 expresses the best address.",
    "profit numeric(38,6), -- the profit user made in a month",
    "roi numeric(38,2), -- the roi of the user in a month",
    "realized_ratio numeric(38,2), -- the percentage of the user's realized profit",
    "most_profit_token character varying(100), -- the token symbol of the user's most profitable trade",
    "last_trade_time character varying(100), -- the last trade time of the user",
    "chain character varying(100), -- the chain that the address resides",
    "PRIMARY KEY (address, chain));",

  "CREATE TABLE smart_money_token_performance (",
    "token_address character varying(100) NOT NULL, -- the token's address",
    "token_symbol character varying(100), -- the tokens's symbol",
    "pnl numeric(38,2), -- the profit users made on this token",
    "net_flow numeric(38,2), -- the netflow of the token, means the money user spent minus the the money user sold of this token",
    "avg_cost numeric(38,16), -- the average cost price of user spent on this token",
    "price double precision, -- the current price of the token",
    "realized_ratio numeric(10,2), -- the ratio user sold of the token",
    "roi numeric(10,2), -- the roi users made of this token",
    "chain character varying(100), -- the chain that the token resides",
    "PRIMARY KEY (token_address, chain));",

  "CREATE TABLE smart_money_token_inflow (",
    "token_address character varying(100) NOT NULL, -- the token's address",
    "token_symbol character varying(100), -- the tokens's symbol",
    "token_amount numeric(38,2), -- the absolute value of the amount if user bought minus  the amount user sold of this token",
    "usd_value numeric(38,2), -- the absolute usd value of the bought token minus sold token",
    "avg_price numeric(38,6), -- the average cost price of user spent on this token",
    "type int, -- the direction of the trade on this token. 1 means buying, 2 means selling",
    "address_amount integer, -- the amount of the user bought this token",
    "narrative character varying(100), -- the category or narrative of the token",
    "chain character varying(100), -- the chain that the token resides",
    ",PRIMARY KEY (token_address, chain)",


[User] What is the maintenance schedule for platform 3 at station DEF for the next month?

[Assistant] I'm sorry, but I don't have access to the maintenance schedule for platforms. The data I have only includes static information about platform details such as ID, station, number, track, status, length, and accessibility. For maintenance schedules, you may need to consult the station management or relevant department.

System:
You are an SQL statement expert and you can refuse the user's question if the question is not related to the table structure. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE train_station_management.platforms ( platform_id text, station_id text, platform_number text, track_number text, status text, length_meters numeric, accessible boolean )


[User] For each player, show the timestamp of their first achievement unlock. Include player_id and the timestamp.

[Assistant] SELECT player_id, MIN(unlocked_at) as first_unlock_at FROM gaming_technology.player_achievements GROUP BY player_id ORDER BY first_unlock_at;

[User] For each player, show the timestamp of their second earliest achievement unlock, if they have at least two. Include player_id and the timestamp.

[Assistant] WITH RankedUnlocks AS ( SELECT player_id, unlocked_at, ROW_NUMBER() OVER(PARTITION BY player_id ORDER BY unlocked_at) as rn FROM gaming_technology.player_achievements ) SELECT player_id, unlocked_at as second_unlock_at FROM RankedUnlocks WHERE rn = 2 ORDER BY player_id, second_unlock_at;

[User] List the player_id for players who unlocked their second achievement within 10 minutes of their first.

[Assistant] WITH PlayerFirstUnlock AS ( SELECT player_id, MIN(unlocked_at) as first_unlock_at FROM gaming_technology.player_achievements GROUP BY player_id ), RankedUnlocks AS ( SELECT player_id, unlocked_at, ROW_NUMBER() OVER(PARTITION BY player_id ORDER BY unlocked_at) as rn FROM gaming_technology.player_achievements ) SELECT pfu.player_id FROM PlayerFirstUnlock pfu JOIN RankedUnlocks ru ON pfu.player_id = ru.player_id WHERE ru.rn = 2 AND ru.unlocked_at <= pfu.first_unlock_at + INTERVAL '10 minute' ORDER BY pfu.player_id;

[User] For the players identified in the previous query (those whose second unlock was within 10 minutes of the first), list the achievement_id of their first and second unlocks.

[Assistant] WITH PlayerFirstUnlock AS ( SELECT player_id, MIN(unlocked_at) as first_unlock_at FROM gaming_technology.player_achievements GROUP BY player_id ), RankedUnlocks AS ( SELECT player_id, achievement_id, unlocked_at, ROW_NUMBER() OVER(PARTITION BY player_id ORDER BY unlocked_at) as rn FROM gaming_technology.player_achievements ), PlayersWithFastSecondUnlock AS ( SELECT pfu.player_id FROM PlayerFirstUnlock pfu JOIN RankedUnlocks ru ON pfu.player_id = ru.player_id WHERE ru.rn = 2 AND ru.unlocked_at <= pfu.first_unlock_at + INTERVAL '10 minute' ) SELECT pfl.player_id, ru_first.achievement_id as first_achievement_id, ru_second.achievement_id as second_achievement_id FROM PlayersWithFastSecondUnlock pfl JOIN RankedUnlocks ru_first ON pfl.player_id = ru_first.player_id AND ru_first.rn = 1 JOIN RankedUnlocks ru_second ON pfl.player_id = ru_second.player_id AND ru_second.rn = 2 ORDER BY pfl.player_id;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE gaming_technology.player_achievements ( player_achievement_id uuid NOT NULL DEFAULT gen_random_uuid(), player_id uuid NOT NULL, achievement_id uuid NOT NULL, unlocked_at timestamp with time zone NOT NULL DEFAULT CURRENT_TIMESTAMP, PRIMARY KEY (player_achievement_id), UNIQUE (player_id, achievement_id) )


[User] Show me all trips along with the vehicle make and the route distance in km.

[Assistant]
SELECT t.trip_id, v.make, r.distance_km
FROM transportation.trips t
JOIN transportation.vehicles v ON t.vehicle_id = v.vehicle_id
JOIN transportation.routes r ON t.route_id = r.route_id;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE transportation.vehicles (
    vehicle_id character varying(64) NOT NULL,  -- unique identifier for the vehicle
    license_plate character varying(32) NOT NULL UNIQUE, -- vehicle license plate
    vin character varying(17) UNIQUE, -- vehicle identification number
    make character varying(64) NOT NULL, -- manufacturer of the vehicle
    model character varying(64) NOT NULL, -- model of the vehicle
    year integer NOT NULL, -- manufacturing year
    type character varying(32) NOT NULL, -- type of vehicle (e.g., Bus, Train, Truck, Car, Van)
    capacity integer, -- passenger or cargo capacity
    fuel_type character varying(32) NOT NULL, -- e.g., Diesel, Gasoline, Electric, Hydrogen
    status character varying(32) NOT NULL, -- e.g., Active, Maintenance, Decommissioned
    depot_id character varying(64), -- identifier of the home depot/base
    acquisition_date date, -- date the vehicle was acquired
    PRIMARY KEY (vehicle_id)
)
CREATE TABLE transportation.routes ( route_id.text, route_number.text, description.text, origin_location_id.text, destination_location_id.text, distance_km.numeric, estimated_duration_minutes.integer, type.text )
CREATE TABLE transportation.trips ( trip_id text PRIMARY KEY, route_id text, vehicle_id text, driver_id text, scheduled_departure timestamp, actual_departure timestamp, scheduled_arrival timestamp, actual_arrival timestamp, origin_location_id text, destination_location_id text, status text, passenger_count int, cargo_manifest_id text )
CREATE TABLE transportation.passengers ( passenger_id text PRIMARY KEY, first_name text, last_name text, email text, phone_number text, date_of_birth date, loyalty_program_id text, created_at timestamp )


[User] What is the maintenance schedule for the platforms at the station with ID 'ST234' for the next month?

[Assistant] I'm sorry, but I don't have access to the maintenance schedule for the platforms at any station. The data I have only includes basic station information such as station ID, name, location, and number of platforms. For maintenance schedules, you may need to contact the station management or relevant authorities.

System:
You are an SQL statement expert and you can refuse the user's question if the question is not related to the table structure. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE train_station_management.stations ( station_id text PRIMARY KEY, station_name text, city text, state_province text, country_code text, address text, timezone text, number_of_platforms int, created_at timestamp, last_updated_at timestamp )


[User] List all pairs of tokens (show token_id for both) that share the same contract address, excluding pairs where the token_id is the same.

[Assistant] SELECT t1.token_id AS token_id1, t2.token_id AS token_id2, t1.contract_address FROM web3.tokens AS t1 JOIN web3.tokens AS t2 ON t1.contract_address = t2.contract_address WHERE t1.token_id < t2.token_id;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE web3.tokens ( token_id character varying(64) NOT NULL, contract_address character varying(128) NOT NULL, token_name character varying(128) NOT NULL, token_symbol character varying(32) NOT NULL, decimals integer NOT NULL, total_supply numeric(38,14) NOT NULL, PRIMARY KEY (token_id) )


[User] List the first name, last name, license number, and status for all drivers whose license expires in the next 6 months.

[Assistant]
SELECT
  first_name,
  last_name,
  license_number,
  status
FROM transportation.drivers
WHERE
  license_expiry_date BETWEEN CURRENT_DATE AND CURRENT_DATE + INTERVAL '6 month'
ORDER BY
  license_expiry_date;

[User] Now, count how many drivers from that list have an 'Active' status.

[Assistant]
SELECT
  COUNT(*)
FROM transportation.drivers
WHERE
  license_expiry_date BETWEEN CURRENT_DATE AND CURRENT_DATE + INTERVAL '6 month' AND status = 'Active';

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE transportation.drivers ( driver_id text PRIMARY KEY, employee_id text, first_name text, last_name text, license_number text, license_expiry_date date, contact_number text, email text, hire_date date, status text )


[User] For each loyalty_program_id, how many unique passengers are enrolled and what is the average fare they have paid?

[Assistant]
SELECT
  p.loyalty_program_id,
  COUNT(DISTINCT p.passenger_id) AS passenger_count,
  AVG(b.fare) AS avg_fare
FROM transportation.passengers p
JOIN transportation.bookings b
  ON p.passenger_id = b.passenger_id
GROUP BY p.loyalty_program_id;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE transportation.routes ( route_id.text, route_number.text, description.text, origin_location_id.text, destination_location_id.text, distance_km.numeric, estimated_duration_minutes.integer, type.text )
CREATE TABLE transportation.maintenance_logs ( log_id.text, vehicle_id.text, service_date.date, odometer_reading.integer, service_type.text, description.text, cost.numeric, mechanic_name.text, next_service_due_date.date )
CREATE TABLE transportation.passengers ( passenger_id.text, first_name.text, last_name.text, email.text, phone_number.text, date_of_birth.date, loyalty_program_id.text, created_at.timestamp )
CREATE TABLE transportation.bookings ( booking_id.text, passenger_id.text, trip_id.text, seat_number.text, booking_time.timestamp, status.text, fare.numeric, payment_transaction_id.text, special_requests.text )


[User] List the employee full names, the department they work in, and the number of notifications sent to citizens who have made payments for the services managed by these employees' agencies.

[Assistant]
SELECT e.first_name || ' ' || e.last_name AS employee_full_name, e.department, COUNT(n.notification_id) AS notification_count
FROM government_services.employees e
JOIN government_services.services s ON e.agency_id = s.agency_id
JOIN government_services.payments p ON s.service_id = p.service_id
JOIN government_services.notifications n ON p.citizen_id = n.citizen_id
GROUP BY e.employee_id, e.first_name, e.last_name, e.department;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE government_services.citizens ( citizen_id text PRIMARY KEY, national_id_number text, first_name text, last_name text, date_of_birth date, gender text, primary_address text, contact_email text, contact_phone text, registration_date timestamp, is_verified boolean )
CREATE TABLE government_services.services ( service_id text PRIMARY KEY, agency_id text, service_name text, description text, category text, eligibility_criteria text, standard_fee numeric, average_processing_time_days int, is_active boolean, online_application_url text )
CREATE TABLE government_services.payments ( payment_id text PRIMARY KEY, application_id text, citizen_id text, service_id text, amount numeric, currency text, payment_method text, payment_provider_reference text, payment_timestamp timestamp, status text, notes text )
CREATE TABLE government_services.employees ( employee_id text PRIMARY KEY, agency_id text, first_name text, last_name text, job_title text, department text, work_email text, work_phone text, hire_date date, termination_date date, access_level text, manager_employee_id text )
CREATE TABLE government_services.notifications ( notification_id text PRIMARY KEY, citizen_id text, application_id text, message_subject text, message_body text, channel text, sent_at timestamp, status text, related_entity_type text, related_entity_id text )


[User] List all vehicles and their last maintenance service date along with the odometer reading, including only those that have not had a fuel refill in the past 30 days.

[Assistant]
SELECT m.vehicle_id,
       m.last_service_date,
       m.last_odometer
FROM (
  SELECT l.vehicle_id,
         MAX(l.service_date) AS last_service_date,
         (SELECT odometer_reading
          FROM transportation.maintenance_logs
          WHERE vehicle_id = l.vehicle_id
          ORDER BY service_date DESC
          LIMIT 1) AS last_odometer
  FROM transportation.maintenance_logs l
  GROUP BY l.vehicle_id
) AS m
LEFT JOIN (
  SELECT fl.vehicle_id,
         MAX(fl.log_timestamp) AS last_fuel_date
  FROM transportation.fuel_logs fl
  GROUP BY fl.vehicle_id
) AS f ON m.vehicle_id = f.vehicle_id
WHERE COALESCE(f.last_fuel_date, '1900-01-01'::timestamp) < NOW() - INTERVAL '30 days';

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE transportation.routes ( route_id character varying(64) NOT NULL, route_number character varying(32) NOT NULL UNIQUE, description text, origin_location_id character varying(64) NOT NULL, destination_location_id character varying(64) NOT NULL, distance_km numeric(10, 2), estimated_duration_minutes integer, type character varying(32) NOT NULL, PRIMARY KEY (route_id) )
CREATE TABLE transportation.trips ( trip_id character varying(64) NOT NULL, route_id character varying(64), vehicle_id character varying(64) NOT NULL, driver_id character varying(64) NOT NULL, scheduled_departure timestamp with time zone NOT NULL, actual_departure timestamp with time zone, scheduled_arrival timestamp with time zone NOT NULL, actual_arrival timestamp with time zone, origin_location_id character varying(64) NOT NULL, destination_location_id character varying(64) NOT NULL, status character varying(32) NOT NULL, passenger_count integer, cargo_manifest_id character varying(64), PRIMARY KEY (trip_id) )
CREATE TABLE transportation.locations ( location_id character varying(64) NOT NULL, name character varying(255) NOT NULL, type character varying(64) NOT NULL, address_line1 character varying(255), city character varying(128), state_province character varying(128), postal_code character varying(32), country character varying(64) NOT NULL, latitude numeric(9, 6), longitude numeric(9, 6), timezone character varying(64), PRIMARY KEY (location_id) )
CREATE TABLE transportation.maintenance_logs ( log_id character varying(64) NOT NULL, vehicle_id character varying(64) NOT NULL, service_date date NOT NULL, odometer_reading integer, service_type character varying(128) NOT NULL, description text NOT NULL, cost numeric(10, 2), mechanic_name character varying(128), next_service_due_date date, PRIMARY KEY (log_id) )
CREATE TABLE transportation.fuel_logs ( fuel_log_id character varying(64) NOT NULL, vehicle_id character varying(64) NOT NULL, trip_id character varying(64), log_timestamp timestamp with time zone NOT NULL, fuel_type character varying(32) NOT NULL, quantity numeric(10, 3) NOT NULL, unit character varying(16) NOT NULL, cost_per_unit numeric(8, 4), total_cost numeric(10, 2) NOT NULL, odometer_reading integer, location_id character varying(64), PRIMARY KEY (fuel_log_id) )
CREATE TABLE transportation.passengers ( passenger_id character varying(64) NOT NULL, first_name character varying(128) NOT NULL, last_name character varying(128) NOT NULL, email character varying(128) UNIQUE, phone_number character varying(32) UNIQUE, date_of_birth date, loyalty_program_id character varying(64), created_at timestamp with time zone NOT NULL, PRIMARY KEY (passenger_id) )
CREATE TABLE transportation.bookings ( booking_id character varying(64) NOT NULL, passenger_id character varying(64) NOT NULL, trip_id character varying(64) NOT NULL, seat_number character varying(16), booking_time timestamp with time zone NOT NULL, status character varying(32) NOT NULL, fare numeric(10, 2) NOT NULL, payment_transaction_id character varying(128), special_requests text, PRIMARY KEY (booking_id) )


[User] What is the total number of drivers hired each year? Provide the hire_year and driver_count.

[Assistant]
SELECT EXTRACT(YEAR FROM hire_date) AS hire_year,
       COUNT(*)                  AS driver_count
FROM transportation.drivers
GROUP BY EXTRACT(YEAR FROM hire_date);

[User] Now only include years where driver_count > 3 and order the results by driver_count DESC.

[Assistant]
SELECT hire_year, driver_count
FROM (
  SELECT EXTRACT(YEAR FROM hire_date) AS hire_year,
         COUNT(*)                  AS driver_count
  FROM transportation.drivers
  GROUP BY EXTRACT(YEAR FROM hire_date)
) sub
WHERE driver_count > 3
ORDER BY driver_count DESC;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE transportation.drivers ( driver_id text, employee_id text, first_name text, last_name text, license_number text, license_expiry_date date, contact_number text, email text, hire_date date, status text )


[User] Find all contracts where the deployer address is the same as the contract address, indicating self-deployed contracts, and show their network IDs and deployment timestamps.

[Assistant] SELECT address, network_id, deployed_at FROM web3.contracts WHERE address = deployer_address;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE web3.contracts ( contract_id character varying(64) NOT NULL, address character varying(128) NOT NULL, abi text NOT NULL, bytecode text NOT NULL, deployer_address character varying(128) NOT NULL, deployed_at timestamp NOT NULL, network_id character varying(64) NOT NULL, status character varying(32) NOT NULL, PRIMARY KEY (contract_id) )


[User] For each user, find the next user who registered after them. Return the first user's user_id and username, the second user's user_id and username, and the time difference in hours.

[Assistant]
SELECT
  u1.user_id AS user1_id,
  u1.username AS user1_name,
  u2.user_id AS user2_id,
  u2.username AS user2_name,
  EXTRACT(EPOCH FROM (u2.created_at - u1.created_at)) / 3600 AS hours_diff
FROM web3.users u1
JOIN web3.users u2
  ON u2.created_at = (
    SELECT MIN(created_at)
    FROM web3.users
    WHERE created_at > u1.created_at
  );

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE web3.users ( user_id.text, username.text, email.text, password_hash.text, created_at.timestamp )


[User] Find the names of service locations where services categorized as 'Licensing' have had appointments scheduled.

[Assistant] SELECT DISTINCT T1.location_name FROM service_locations AS T1 JOIN appointments AS T2 ON T1.location_id = T2.location_id JOIN services AS T3 ON T2.service_id = T3.service_id WHERE T3.category = 'Licensing';

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE government_services.services (
    service_id character varying(64) NOT NULL, -- unique identifier for the service
    agency_id character varying(64) NOT NULL, -- FK to agencies table
    service_name character varying(255) NOT NULL, -- name of the service (e.g., Driver's License Renewal)
    description text,
    category character varying(100), -- e.g., Licensing, Benefits, Taxation, Permits
    eligibility_criteria text, -- description of who is eligible
    standard_fee numeric(10, 2) DEFAULT 0.00, -- typical fee for the service
    average_processing_time_days integer, -- estimated processing time
    is_active boolean DEFAULT true, -- whether the service is currently offered
    online_application_url character varying(255),
    PRIMARY KEY (service_id)
)
CREATE TABLE government_services.service_locations (
    location_id character varying(64) NOT NULL, -- unique identifier for the physical location
    agency_id character varying(64) NOT NULL, -- FK to agencies table
    location_name character varying(200), -- e.g., Downtown DMV Office
    address text NOT NULL,
    city character varying(100),
    state character varying(50),
    postal_code character varying(20),
    latitude numeric(9, 6),
    longitude numeric(9, 6),
    operating_hours text, -- description of opening times
    contact_phone character varying(32),
    is_accessible boolean, -- accessibility information (e.g., wheelchair access)
    PRIMARY KEY (location_id)
)
CREATE TABLE government_services.appointments (
    appointment_id character varying(64) NOT NULL, -- unique identifier for the appointment
    citizen_id character varying(64) NOT NULL, -- FK to citizens table
    employee_id character varying(64), -- FK to employees table (optional, if assigned)
    location_id character varying(64), -- FK to service_locations table (if physical)
    service_id character varying(64), -- FK to services table (optional, if related to specific service)
    scheduled_start_time timestamp NOT NULL,
    scheduled_end_time timestamp,
    purpose text NOT NULL, -- reason for the appointment
    status character varying(30) NOT NULL, -- e.g., Scheduled, Completed, Cancelled, No-Show
    booking_method character varying(50), -- e.g., Online, Phone, In-Person
    created_at timestamp NOT NULL, -- when the appointment was booked
    notes text,
    PRIMARY KEY (appointment_id)
)


[User] Show me the invoice number and total amount for each invoice, along with the number and name of the case it belongs to.

[Assistant] SELECT T1.invoice_number, T1.total_amount, T2.case_number, T2.case_name FROM invoices AS T1 JOIN cases AS T2 ON T1.case_id = T2.case_id;

[User] Refine this to only include invoices with a status of 'Overdue' or 'Unpaid'.

[Assistant] SELECT T1.invoice_number, T1.total_amount, T2.case_number, T2.case_name FROM invoices AS T1 JOIN cases AS T2 ON T1.case_id = T2.case_id WHERE T1.status = 'Overdue' OR T1.status = 'Unpaid';

[User] Also include the invoice due date and order the results by due date ascending.

[Assistant] SELECT T1.invoice_number, T1.total_amount, T1.due_date, T2.case_number, T2.case_name FROM invoices AS T1 JOIN cases AS T2 ON T1.case_id = T2.case_id WHERE T1.status = 'Overdue' OR T1.status = 'Unpaid' ORDER BY T1.due_date ASC;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE legal_services.law_firms ( firm_id text, firm_name text, address text, phone text, website text, founded_date date, managing_partner_id text )
CREATE TABLE legal_services.cases ( case_id character varying(64) NOT NULL, case_number character varying(100) UNIQUE, case_name text NOT NULL, client_id character varying(64) NOT NULL, lead_lawyer_id character varying(64) NOT NULL, case_type character varying(100) NOT NULL, status character varying(50) NOT NULL, date_opened timestamp NOT NULL, date_closed timestamp, description text, court_jurisdiction character varying(128), PRIMARY KEY (case_id) )
CREATE TABLE legal_services.invoices ( invoice_id text PRIMARY KEY, invoice_number text UNIQUE, client_id text, case_id text, issue_date date, due_date date, total_amount numeric, amount_paid numeric, status text, payment_date timestamp, notes text, created_at timestamp )


[User] Show all tokens along with the username of the deployer of the contract where each token was created. Include the token symbol, token name, contract address, and username.

[Assistant]
SELECT t.token_symbol, t.token_name, t.contract_address, u.username
FROM web3.tokens t
JOIN web3.contracts c ON t.contract_address = c.address
LEFT JOIN web3.wallets w ON c.deployer_address = w.address
LEFT JOIN web3.users u ON w.user_id = u.user_id;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE web3.contracts ( contract_id text, address text, abi text, bytecode text, deployer_address text, deployed_at timestamp, network_id text, status text )
CREATE TABLE web3.transactions ( transaction_id text, from_address text, to_address text, value numeric, gas_used integer, gas_price numeric, block_number integer, timestamp timestamp, input_data text, status text, nonce integer )
CREATE TABLE web3.tokens ( token_id text, contract_address text, token_name text, token_symbol text, decimals integer, total_supply numeric )
CREATE TABLE web3.wallets ( wallet_id text, user_id text, address text, private_key text, created_at timestamp )
CREATE TABLE web3.users ( user_id text, username text, email text, password_hash text, created_at timestamp )


[User] List the names of employees and the names of the cities where their agency operates service locations.

[Assistant]
SELECT e.first_name, e.last_name, sl.city
FROM government_services.employees e
JOIN government_services.service_locations sl ON e.agency_id = sl.agency_id;

[User] Only show employees who work in locations that are accessible.

[Assistant]
SELECT e.first_name, e.last_name, sl.city
FROM government_services.employees e
JOIN government_services.service_locations sl ON e.agency_id = sl.agency_id
WHERE sl.is_accessible = true;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE government_services.citizens ( citizen_id text, national_id_number text, first_name text, last_name text, date_of_birth date, gender text, primary_address text, contact_email text, contact_phone text, registration_date timestamp, is_verified boolean )
CREATE TABLE government_services.payments ( payment_id text, application_id text, citizen_id text, service_id text, amount numeric, currency text, payment_method text, payment_provider_reference text, payment_timestamp timestamp, status text, notes text )
CREATE TABLE government_services.employees ( employee_id text, agency_id text, first_name text, last_name text, job_title text, department text, work_email text, work_phone text, hire_date date, termination_date date, access_level text, manager_employee_id text )
CREATE TABLE government_services.service_locations ( location_id text, agency_id text, location_name text, address text, city text, state text, postal_code text, latitude numeric, longitude numeric, operating_hours text, contact_phone text, is_accessible boolean )


[User] Show me all wallet addresses and their private keys for users who have more than 3 wallets.

[Assistant] SELECT w.address_id, w.private_key FROM blockchain.wallets w WHERE w.user_id IN (SELECT user_id FROM blockchain.wallets GROUP BY user_id HAVING COUNT(*) > 3);

[User] Now, filter these results to only show wallets where the private_key starts with '0x1'.

[Assistant] SELECT w.address_id, w.private_key FROM blockchain.wallets w WHERE w.user_id IN (SELECT user_id FROM blockchain.wallets GROUP BY user_id HAVING COUNT(*) > 3) AND w.private_key LIKE '0x1%';

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE blockchain.wallets (
    wallet_id character varying(64) NOT NULL,  -- unique identifier for the wallet
    user_id character varying(64) NOT NULL, -- identifier of the user owning the wallet
    address_id character varying(128) NOT NULL, -- identifier of the address associated with the wallet
    private_key text NOT NULL, -- private key of the wallet
    PRIMARY KEY (wallet_id)
)


[User] Show me all maintenance logs for 'Oil Change' services performed in the last 3 months, including the vehicle ID, service date, and cost.

[Assistant] SELECT vehicle_id, service_date, cost FROM transportation.maintenance_logs WHERE service_type = 'Oil Change' AND service_date >= CURRENT_DATE - INTERVAL '3 months';

[User] Can you also include the mechanic name and filter to only show services that cost more than $100?

[Assistant] SELECT vehicle_id, service_date, cost, mechanic_name FROM transportation.maintenance_logs WHERE service_type = 'Oil Change' AND service_date >= CURRENT_DATE - INTERVAL '3 months' AND cost > 100;

[User] Now order these results by service date with the most recent first and limit to 10 records.

[Assistant] SELECT vehicle_id, service_date, cost, mechanic_name FROM transportation.maintenance_logs WHERE service_type = 'Oil Change' AND service_date >= CURRENT_DATE - INTERVAL '3 months' AND cost > 100 ORDER BY service_date DESC LIMIT 10;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE transportation.maintenance_logs (
    log_id character varying(64) NOT NULL,  -- unique identifier for the maintenance record
    vehicle_id character varying(64) NOT NULL, -- identifier of the vehicle serviced
    service_date date NOT NULL, -- date the service was performed
    odometer_reading integer, -- vehicle mileage at time of service
    service_type character varying(128) NOT NULL, -- type of service (e.g., Oil Change, Tire Rotation, Engine Repair)
    description text NOT NULL, -- detailed description of work done
    cost numeric(10, 2), -- cost of the service
    mechanic_name character varying(128), -- name or ID of the mechanic/shop
    next_service_due_date date, -- recommended date for next service
    PRIMARY KEY (log_id)
)


[User] List each patient's first_name, last_name, and the plan_name and policy_number of their primary insurance plan.

[Assistant]
SELECT p.first_name,
       p.last_name,
       ip.plan_name,
       pi.policy_number
FROM healthcare.patients p
JOIN healthcare.patient_insurance pi ON p.patient_id = pi.patient_id AND pi.is_primary = TRUE
JOIN healthcare.insurance_plans ip ON pi.plan_id = ip.plan_id;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE healthcare.patients ( patient_id text, first_name text, last_name text, date_of_birth date, gender text, address text, phone_number text, email text, emergency_contact_name text, emergency_contact_phone text, created_at timestamp, updated_at timestamp )
CREATE TABLE healthcare.diagnoses ( diagnosis_id.text, record_id.text, patient_id.text, doctor_id.text, diagnosis_code.text, code_type.text, description.text, diagnosis_date.date, status.text, is_chronic.boolean )
CREATE TABLE healthcare.prescriptions ( prescription_id character varying(64) NOT NULL, record_id character varying(64) NOT NULL, patient_id character varying(64) NOT NULL, doctor_id character varying(64) NOT NULL, medication_id character varying(64) NOT NULL, dosage character varying(100) NOT NULL, frequency character varying(100) NOT NULL, route character varying(50), start_date date NOT NULL, end_date date, quantity_dispensed numeric(10,2), refills_allowed integer NOT NULL DEFAULT 0, prescription_date timestamp with time zone NOT NULL DEFAULT current_timestamp, PRIMARY KEY (prescription_id) )
CREATE TABLE healthcare.insurance_plans (
    plan_id character varying(64) NOT NULL, -- unique identifier for the insurance plan
    plan_name character varying(200) NOT NULL, -- name of the insurance plan
    insurance_provider character varying(100) NOT NULL, -- name of the insurance company
    plan_type character varying(50), -- e.g., PPO, HMO, EPO
    contact_phone character varying(20), -- provider contact number
    website character varying(255), -- provider website
    PRIMARY KEY (plan_id)
)
CREATE TABLE healthcare.patient_insurance ( patient_insurance_id text PRIMARY KEY, patient_id text, plan_id text, policy_number text, group_number text, subscriber_name text, effective_date date, expiration_date date, is_primary boolean )


[User] List all events and any token transfers that occurred in the same transaction, showing event_id, event_name, transfer_id, and token_symbol.

[Assistant]
SELECT
  e.event_id,
  e.event_name,
  tt.transfer_id,
  tk.token_symbol
FROM web3.events e
LEFT JOIN web3.token_transfers tt
  ON e.transaction_id = tt.transaction_id
LEFT JOIN web3.tokens tk
  ON tt.token_id = tk.token_id
ORDER BY e.transaction_id, e.log_index;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE web3.contracts ( contract_id character varying(64) NOT NULL, address character varying(128) NOT NULL, abi text NOT NULL, bytecode text NOT NULL, deployer_address character varying(128) NOT NULL, deployed_at timestamp NOT NULL, network_id character varying(64) NOT NULL, status character varying(32) NOT NULL, PRIMARY KEY (contract_id) )
CREATE TABLE web3.events ( event_id.text, contract_id.text, event_name.text, data.text, emitted_at.timestamp, transaction_id.text, log_index.integer )
CREATE TABLE web3.tokens (
    token_id character varying(64) NOT NULL,  -- unique identifier for the token
    contract_address character varying(128) NOT NULL, -- address of the token contract
    token_name character varying(128) NOT NULL, -- name of the token
    token_symbol character varying(32) NOT NULL, -- symbol of the token
    decimals integer NOT NULL, -- number of decimals for the token
    total_supply numeric(38,14) NOT NULL, -- total supply of the token
    PRIMARY KEY (token_id)
)
CREATE TABLE web3.token_transfers ( transfer_id text PRIMARY KEY, token_id text, from_address text, to_address text, value numeric, transaction_id text, log_index int )
CREATE TABLE web3.users ( user_id text, username text, email text, password_hash text, created_at timestamp )


[User] Show all users who have liked comments made by users with a specified location, say 'Paris'. For each, show their username, the comment_id, and the location of the comment's author.

[Assistant]
SELECT l.user_id AS liker_user_id, u_liker.username, l.comment_id, u_author.location AS comment_author_location
FROM social_media.likes l
JOIN social_media.comments c ON l.comment_id = c.comment_id
JOIN social_media.users u_author ON c.user_id = u_author.user_id
JOIN social_media.users u_liker ON l.user_id = u_liker.user_id
WHERE u_author.location = 'Paris';

[User] Actually, please also include the full name of the user who made the comment, and restrict to likes created after April 1, 2024.

[Assistant]
SELECT l.user_id AS liker_user_id, u_liker.username, l.comment_id, u_author.location AS comment_author_location, u_author.full_name AS comment_author_full_name
FROM social_media.likes l
JOIN social_media.comments c ON l.comment_id = c.comment_id
JOIN social_media.users u_author ON c.user_id = u_author.user_id
JOIN social_media.users u_liker ON l.user_id = u_liker.user_id
WHERE u_author.location = 'Paris' AND l.created_at >= '2024-04-01';

[User] I see duplicate users for the same comment. Show only unique username-comment_id pairs, and order the results by liker username ascending.

[Assistant]
SELECT DISTINCT u_liker.username, l.comment_id, u_author.location AS comment_author_location, u_author.full_name AS comment_author_full_name
FROM social_media.likes l
JOIN social_media.comments c ON l.comment_id = c.comment_id
JOIN social_media.users u_author ON c.user_id = u_author.user_id
JOIN social_media.users u_liker ON l.user_id = u_liker.user_id
WHERE u_author.location = 'Paris' AND l.created_at >= '2024-04-01'
ORDER BY u_liker.username ASC;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE social_media.users (
    user_id character varying(64) NOT NULL,  -- unique identifier for the user
    username character varying(50) NOT NULL UNIQUE, -- user's unique handle
    email character varying(128) NOT NULL UNIQUE, -- user's email address
    password_hash text NOT NULL, -- hashed password
    full_name character varying(100), -- user's full name
    profile_picture_url text, -- URL to the profile picture
    bio text, -- short user biography
    location character varying(100), -- user's location
    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp of account creation
    updated_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp of last profile update
    is_verified boolean NOT NULL DEFAULT false, -- verification status
    PRIMARY KEY (user_id)
)
CREATE TABLE social_media.comments (
    comment_id character varying(64) NOT NULL, -- unique identifier for the comment
    post_id character varying(64) NOT NULL, -- identifier of the post being commented on (FK to posts.post_id)
    user_id character varying(64) NOT NULL, -- identifier of the user who made the comment (FK to users.user_id)
    parent_comment_id character varying(64), -- identifier of the parent comment if it's a reply (FK to comments.comment_id)
    content text NOT NULL, -- textual content of the comment
    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp of comment creation
    updated_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp of last comment edit
    PRIMARY KEY (comment_id)
)
CREATE TABLE social_media.likes (
    like_id character varying(64) NOT NULL, -- unique identifier for the like
    user_id character varying(64) NOT NULL, -- identifier of the user who liked (FK to users.user_id)
    post_id character varying(64), -- identifier of the post being liked (FK to posts.post_id, nullable)
    comment_id character varying(64), -- identifier of the comment being liked (FK to comments.comment_id, nullable)
    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp of when the like occurred
    PRIMARY KEY (like_id),
    CONSTRAINT unique_user_like UNIQUE (user_id, post_id, comment_id), -- prevent duplicate likes
    CONSTRAINT check_like_target CHECK (post_id IS NOT NULL OR comment_id IS NOT NULL) -- ensure it likes something
)
CREATE TABLE social_media.follows (
    follow_id character varying(64) NOT NULL, -- unique identifier for the follow relationship
    follower_user_id character varying(64) NOT NULL, -- identifier of the user who is following (FK to users.user_id)
    following_user_id character varying(64) NOT NULL, -- identifier of the user being followed (FK to users.user_id)
    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp of when the follow started
    PRIMARY KEY (follow_id),
    CONSTRAINT unique_follow UNIQUE (follower_user_id, following_user_id) -- prevent duplicate follows
)
CREATE TABLE social_media.hashtags (
    hashtag_id character varying(64) NOT NULL, -- unique identifier for the hashtag
    tag_name character varying(100) NOT NULL UNIQUE, -- the actual hashtag text (without '#')
    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp when the hashtag was first used
    PRIMARY KEY (hashtag_id)
)
CREATE TABLE social_media.conversations (
    conversation_id character varying(64) NOT NULL, -- unique identifier for the conversation
    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp when conversation was initiated
    last_message_at timestamp, -- timestamp of the last message in the conversation
    is_group_chat boolean NOT NULL DEFAULT false, -- indicates if it's a group chat or direct message
    group_name character varying(100), -- name of the group chat (if applicable)
    PRIMARY KEY (conversation_id)
)
CREATE TABLE social_media.conversation_participants (
    participant_id character varying(64) NOT NULL, -- unique identifier for the participant entry
    conversation_id character varying(64) NOT NULL, -- identifier of the conversation (FK to conversations.conversation_id)
    user_id character varying(64) NOT NULL, -- identifier of the user in the conversation (FK to users.user_id)
    joined_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp when user joined the conversation
    last_read_at timestamp, -- timestamp indicating up to when the user has read messages
    PRIMARY KEY (participant_id),
    CONSTRAINT unique_user_conversation UNIQUE (conversation_id, user_id) -- prevent user being added multiple times
)
CREATE TABLE social_media.notifications (
    notification_id character varying(64) NOT NULL, -- unique identifier for the notification
    recipient_user_id character varying(64) NOT NULL, -- user receiving the notification (FK to users.user_id)
    sender_user_id character varying(64), -- user triggering the notification (FK to users.user_id, can be null for system notifications)
    notification_type character varying(30) NOT NULL, -- type of notification ('like', 'comment', 'follow', 'mention', 'message')
    target_entity_id character varying(64), -- ID of the related entity (post_id, comment_id, user_id, conversation_id)
    target_entity_type character varying(20), -- type of the related entity ('post', 'comment', 'user', 'conversation')
    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp notification was created
    read_at timestamp, -- timestamp notification was marked as read
    PRIMARY KEY (notification_id)
)
CREATE TABLE social_media.user_settings (
    setting_id character varying(64) NOT NULL, -- unique identifier for the setting entry
    user_id character varying(64) NOT NULL UNIQUE, -- user the settings belong to (FK to users.user_id)
    theme character varying(20) DEFAULT 'light', -- UI theme ('light', 'dark')
    email_notifications_enabled boolean DEFAULT true, -- enable/disable email notifications
    push_notifications_enabled boolean DEFAULT true, -- enable/disable push notifications
    private_profile boolean DEFAULT false, -- is the user profile private
    updated_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp of last setting change
    PRIMARY KEY (setting_id)
)


[User] Find all smart contracts where the code length is greater than 1000 characters.

[Assistant] SELECT contract_id, creator_address, LENGTH(code) AS code_length FROM blockchain.smart_contracts WHERE LENGTH(code) > 1000;

[User] Now group these by creator_address and show the count of such contracts per creator.

[Assistant] SELECT creator_address, COUNT(*) AS large_code_contract_count FROM blockchain.smart_contracts WHERE LENGTH(code) > 1000 GROUP BY creator_address;

[User] Can you order the results by the count in descending order?

[Assistant] SELECT creator_address, COUNT(*) AS large_code_contract_count FROM blockchain.smart_contracts WHERE LENGTH(code) > 1000 GROUP BY creator_address ORDER BY large_code_contract_count DESC;

[User] Now show only creators who have more than 3 such contracts.

[Assistant] SELECT creator_address, COUNT(*) AS large_code_contract_count FROM blockchain.smart_contracts WHERE LENGTH(code) > 1000 GROUP BY creator_address HAVING COUNT(*) > 3 ORDER BY large_code_contract_count DESC;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE blockchain.smart_contracts ( contract_id.text, creator_address.text, code.text, timestamp.timestamp )


[User] Find all pairs of tokens that have the same contract_address but different token_symbols. Show both token_ids, each token's symbol, and the shared contract_address.

[Assistant] SELECT t1.token_id AS token_id_1, t2.token_id AS token_id_2, t1.token_symbol AS symbol_1, t2.token_symbol AS symbol_2, t1.contract_address FROM web3.tokens t1 JOIN web3.tokens t2 ON t1.contract_address = t2.contract_address AND t1.token_id < t2.token_id AND t1.token_symbol <> t2.token_symbol;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE web3.tokens ( token_id text PRIMARY KEY, contract_address text, token_name text, token_symbol text, decimals int, total_supply numeric )


[User] List the first and last name of each citizen along with the city and state of the service location for their agency.

[Assistant]
SELECT c.first_name, c.last_name, sl.city, sl.state
FROM government_services.citizens c
JOIN government_services.payments p ON c.citizen_id = p.citizen_id
JOIN government_services.employees e ON p.application_id IS NOT NULL AND e.agency_id IS NOT NULL
JOIN government_services.service_locations sl ON e.agency_id = sl.agency_id;


[User] Provide a count of notifications, separated by whether they have been read or not.

[Assistant] SELECT CASE WHEN T1.read_at IS NULL THEN 'Unread' ELSE 'Read' END, count(T1.notification_id) FROM trading_platform.notifications AS T1 GROUP BY CASE WHEN T1.read_at IS NULL THEN 'Unread' ELSE 'Read' END

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE trading_platform.notifications ( notification_id.text, user_id.text, message.text, sent_at.timestamp, read_at.timestamp )


[User] List all pairs of wallets that were created within 10 minutes of each other, showing both wallet IDs, the user_id, and both creation timestamps.

[Assistant]
SELECT
  w1.wallet_id AS wallet1_id,
  w2.wallet_id AS wallet2_id,
  w1.user_id,
  w1.created_at AS created_at1,
  w2.created_at AS created_at2
FROM web3.wallets w1
JOIN web3.wallets w2
  ON w1.user_id = w2.user_id
  AND w1.wallet_id < w2.wallet_id
  AND ABS(EXTRACT(EPOCH FROM (w1.created_at - w2.created_at))) <= 600;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE web3.wallets ( wallet_id text, user_id text, address text, private_key text, created_at timestamp )


[User] 能否帮我统计特定车站(station_id 为 'station_xyz')的所有工作人员数量？

[Assistant]
MATCH (s:Station {station_id: 'station_xyz'})<-[:BASED_AT]-(staff:Staff)
RETURN COUNT(staff) AS total_staff

System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
// Node Label: :Station
// Properties:
//   station_id: String (Constraint: UNIQUE)
//   station_name: String
//   city: String (Index recommended)
//   state_province: String
//   country_code: String
//   address: String
//   timezone: String
//   number_of_platforms: Integer
//   created_at: DateTime
//   last_updated_at: DateTime
// Example Cypher CREATE:
// CREATE (:Station {station_id: 'station_xyz', station_name: 'Grand Central Terminal', city: 'New York', ...})
// Node Label: :Platform
// Properties:
//   platform_id: String (Constraint: UNIQUE)
//   platform_number: String
//   track_number: String
//   status: String
//   length_meters: Float
//   accessible: Boolean
// Relationship: (:Platform)-[:LOCATED_AT]->(:Station)
// Example Cypher CREATE:
// MATCH (s:Station {station_id: 'station_xyz'})
// CREATE (p:Platform {platform_id: 'plat_123', ...})-[:LOCATED_AT]->(s)
// Node Label: :Train
// Properties:
//   train_id: String (Constraint: UNIQUE)
//   train_number: String (Constraint: UNIQUE)
//   model: String
//   manufacturer: String
//   year_manufactured: Integer
//   capacity: Integer
//   status: String
//   last_maintenance_date: Date
//   next_maintenance_date: Date
// Example Cypher CREATE:
// CREATE (:Train {train_id: 'train_789', train_number: 'Acela 2151', ...})
// Node Label: :TrainCar
// Properties:
//   car_id: String (Constraint: UNIQUE)
//   car_number: String
//   car_type: String
//   class: String
//   capacity: Integer
//   features: String (Or List<String> if driver supports)
// Relationship: (:TrainCar)-[:PART_OF_TRAIN]->(:Train)
// Example Cypher CREATE:
// MATCH (t:Train {train_id: 'train_789'})
// CREATE (c:TrainCar {car_id: 'car_abc', ...})-[:PART_OF_TRAIN]->(t)
// Node Label: :Route
// Properties:
//   route_id: String (Constraint: UNIQUE)
//   route_name: String
//   description: String
//   is_active: Boolean
// Relationships:
//   (:Route)-[:STARTS_AT]->(:Station)
//   (:Route)-[:ENDS_AT]->(:Station)
// Example Cypher CREATE:
// MATCH (origin:Station {station_id: 'station_bos'}), (dest:Station {station_id: 'station_was'})
// CREATE (r:Route {route_id: 'route_ne_corr', ...})-[:STARTS_AT]->(origin), (r)-[:ENDS_AT]->(dest)
// Relationship: (:Route)-[rel:HAS_STOP]->(:Station)
// Relationship Properties on :HAS_STOP:
//   sequence_order: Integer
//   distance_from_previous_km: Float
//   typical_stop_duration_minutes: Integer
// Example Cypher CREATE:
// MATCH (r:Route {route_id: 'route_ne_corr'}), (s:Station {station_id: 'station_pvd'})
// CREATE (r)-[:HAS_STOP {sequence_order: 2, distance_from_previous_km: 70.5, ...}]->(s)
// Node Label: :ScheduledTrip (or just :Trip)
// Properties:
//   schedule_id: String (Constraint: UNIQUE)
//   departure_datetime: DateTime
//   arrival_datetime: DateTime
//   status: String
//   notes: String
// Relationships:
//   (:ScheduledTrip)-[:USES_TRAIN]->(:Train)
//   (:ScheduledTrip)-[:FOLLOWS_ROUTE]->(:Route)
// Example Cypher CREATE:
// MATCH (t:Train {train_id: 'train_789'}), (r:Route {route_id: 'route_ne_corr'})
// CREATE (sched:ScheduledTrip {schedule_id: 'sched_1122', ...})-[:USES_TRAIN]->(t), (sched)-[:FOLLOWS_ROUTE]->(r)
// Relationship: (:ScheduledTrip)-[rel:SCHEDULED_STOP]->(:Station)
// Relationship Properties on :SCHEDULED_STOP:
//   sequence_order: Integer
//   platform_id: String (references Platform node if modeled, or just store ID)
//   scheduled_arrival_time: DateTime
//   scheduled_departure_time: DateTime
//   actual_arrival_time: DateTime
//   actual_departure_time: DateTime
//   status: String
// Example Cypher CREATE:
// MATCH (sched:ScheduledTrip {schedule_id: 'sched_1122'}), (s:Station {station_id: 'station_pvd'})
// CREATE (sched)-[:SCHEDULED_STOP {sequence_order: 2, platform_id: 'plat_pvd_1', ...}]->(s)
// Node Label: :Passenger
// Properties:
//   passenger_id: String (Constraint: UNIQUE)
//   first_name: String
//   last_name: String
//   email: String (Constraint: UNIQUE, if not null)
//   phone_number: String (Constraint: UNIQUE, if not null)
//   date_of_birth: Date
//   loyalty_program_id: String
//   created_at: DateTime
// Example Cypher CREATE:
// CREATE (:Passenger {passenger_id: 'pass_pqr', first_name: 'Alice', ...})
// Node Label: :Booking
// Properties:
//   booking_id: String (Constraint: UNIQUE)
//   booking_datetime: DateTime
//   status: String
//   total_price: Float
//   currency_code: String
//   special_requests: String
// Relationships:
//   (:Passenger)-[:MADE_BOOKING]->(:Booking)
//   (:Booking)-[:FOR_TRIP]->(:ScheduledTrip)
// Example Cypher CREATE:
// MATCH (p:Passenger {passenger_id: 'pass_pqr'}), (sched:ScheduledTrip {schedule_id: 'sched_1122'})
// CREATE (p)-[:MADE_BOOKING]->(b:Booking {booking_id: 'book_zyx', ...})-[:FOR_TRIP]->(sched)
// Node Label: :Ticket
// Properties:
//   ticket_id: String (Constraint: UNIQUE)
//   seat_number: String
//   ticket_type: String
//   price: Float
//   is_checked_in: Boolean
//   qr_code_data: String
// Relationships:
//   (:Ticket)-[:PART_OF_BOOKING]->(:Booking)
//   (:Ticket)-[:ASSIGNED_TO_CAR]->(:TrainCar)
// Example Cypher CREATE:
// MATCH (b:Booking {booking_id: 'book_zyx'}), (c:TrainCar {car_id: 'car_abc'})
// CREATE (t:Ticket {ticket_id: 'tkt_1a2b', ...})-[:PART_OF_BOOKING]->(b), (t)-[:ASSIGNED_TO_CAR]->(c)
// Node Label: :Staff
// Properties:
//   staff_id: String (Constraint: UNIQUE)
//   first_name: String
//   last_name: String
//   role: String
//   employee_number: String (Constraint: UNIQUE)
//   hire_date: Date
//   contact_email: String (Constraint: UNIQUE, if not null)
//   contact_phone: String
//   is_active: Boolean
// Relationship (Optional):
//   (:Staff)-[:BASED_AT]->(:Station)
// Example Cypher CREATE:
// CREATE (:Staff {staff_id: 'staff_mno', first_name: 'Bob', ...})
// OPTIONAL MATCH (s:Station {station_id: 'station_xyz'}) // If primary_station_id exists
// WITH s, staff_mno // Need to get the created staff node reference
// WHERE s IS NOT NULL
// CREATE (staff_mno)-[:BASED_AT]->(s)


[User] What is the detailed repair history of the equipment used by the staff with staff_id 'STAFF123' during maintenance tasks?

[Assistant] I'm sorry, but I can't provide information on the detailed repair history of equipment used by staff members. The data in the maintenance_records table only includes information about maintenance tasks, such as record_id, asset_id, maintenance type, and staff_id, but does not cover equipment repair histories.

System:
You are an SQL statement expert and you can refuse the user's question if the question is not related to the table structure. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE train_station_management.maintenance_records ( record_id.text, asset_id.text, asset_type.text, maintenance_type.text, staff_id.text, start_datetime.timestamp, end_datetime.timestamp, description.text, cost.numeric, status.text )


[User] Show the property name, star rating, and number of rooms for each property.

[Assistant]
SELECT p.property_name, p.star_rating, COUNT(r.room_id) AS room_count
FROM hospitality_technology.properties p
LEFT JOIN hospitality_technology.rooms r ON p.property_id = r.property_id
GROUP BY p.property_id, p.property_name, p.star_rating;

[User] Only include properties that have more than 30 rooms.

[Assistant]
SELECT p.property_name, p.star_rating, COUNT(r.room_id) AS room_count
FROM hospitality_technology.properties p
LEFT JOIN hospitality_technology.rooms r ON p.property_id = r.property_id
GROUP BY p.property_id, p.property_name, p.star_rating
HAVING COUNT(r.room_id) > 30;

[User] Add a column showing the total number of unique room types at each property.

[Assistant]
SELECT p.property_name, p.star_rating, COUNT(r.room_id) AS room_count, COUNT(DISTINCT rt.room_type_id) AS unique_room_type_count
FROM hospitality_technology.properties p
LEFT JOIN hospitality_technology.rooms r ON p.property_id = r.property_id
LEFT JOIN hospitality_technology.room_types rt ON p.property_id = rt.property_id
GROUP BY p.property_id, p.property_name, p.star_rating
HAVING COUNT(r.room_id) > 30;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE hospitality_technology.properties ( property_id text, property_name text, address_line1 text, address_line2 text, city text, state_province text, postal_code text, country_code text, phone_number text, email_address text, property_type text, star_rating numeric, timezone text, manager_staff_id text, created_at timestamp, updated_at timestamp )
CREATE TABLE hospitality_technology.rooms (
    room_id character varying(64) NOT NULL,  -- unique identifier for the room
    property_id character varying(64) NOT NULL, -- FK to properties table
    room_number character varying(10) NOT NULL, -- room number identifier (e.g., '101', 'Suite 2B')
    room_type_id character varying(64) NOT NULL, -- FK to room_types table
    floor integer, -- floor number the room is on
    status character varying(50) NOT NULL, -- e.g., Available, Occupied, Cleaning, OutOfOrder, Maintenance
    is_smoking boolean NOT NULL DEFAULT false, -- smoking allowed flag
    features text, -- description of features (e.g., Balcony, Sea View, Jacuzzi)
    current_condition text, -- notes on room condition
    last_cleaned_at timestamp with time zone, -- timestamp of last cleaning
    PRIMARY KEY (room_id),
    FOREIGN KEY (property_id) REFERENCES hospitality_technology.properties(property_id),
    FOREIGN KEY (room_type_id) REFERENCES hospitality_technology.room_types(room_type_id)
)
CREATE TABLE hospitality_technology.room_types (
    room_type_id character varying(64) NOT NULL, -- unique identifier for the room type
    property_id character varying(64) NOT NULL, -- FK to properties table (type might be property-specific)
    type_name character varying(100) NOT NULL, -- e.g., Standard King, Deluxe Queen, Executive Suite
    description text, -- description of the room type
    base_rate numeric(10, 2) NOT NULL, -- standard price per night
    max_occupancy integer NOT NULL, -- maximum number of guests
    bed_type character varying(50), -- e.g., King, Queen, 2 Doubles, Twin
    area_sqft numeric(8,2), -- size of the room in square feet
    amenities text, -- comma-separated list or JSON of amenities
    PRIMARY KEY (room_type_id),
    FOREIGN KEY (property_id) REFERENCES hospitality_technology.properties(property_id)
)
CREATE TABLE hospitality_technology.guests ( guest_id text, first_name text, last_name text, email text, phone_number text, date_of_birth date, address_line1 text, city text, state_province text, postal_code text, country_code text, preferences text, loyalty_member_id text, communication_consent boolean, created_at timestamp, updated_at timestamp )
CREATE TABLE hospitality_technology.reservations ( reservation_id.text, property_id.text, guest_id.text, room_id.text, room_type_id.text, check_in_date.date, check_out_date.date, actual_check_in_ts.timestamp, actual_check_out_ts.timestamp, num_adults.integer, num_children.integer, status.text, booking_source.text, rate_plan_id.text, total_amount.numeric, amount_paid.numeric, special_requests.text, created_at.timestamp, updated_at.timestamp )
CREATE TABLE hospitality_technology.staff ( staff_id text, property_id text, first_name text, last_name text, position text, work_email text, work_phone text, hire_date date, termination_date date, is_active boolean, access_level integer, manager_id text, created_at timestamp )
CREATE TABLE hospitality_technology.service_orders ( order_id character varying(64) NOT NULL, reservation_id character varying(64), guest_id character varying(64) NOT NULL, service_id character varying(64) NOT NULL, staff_id_ordered character varying(64), staff_id_delivered character varying(64), order_timestamp timestamp with time zone NOT NULL DEFAULT current_timestamp, delivery_timestamp timestamp with time zone, quantity integer NOT NULL DEFAULT 1, unit_price numeric(10, 2) NOT NULL, total_price numeric(12, 2) NOT NULL, status character varying(50) NOT NULL, notes text, bill_id character varying(64), PRIMARY KEY (order_id), FOREIGN KEY (reservation_id) REFERENCES hospitality_technology.reservations(reservation_id), FOREIGN KEY (guest_id) REFERENCES hospitality_technology.guests(guest_id), FOREIGN KEY (service_id) REFERENCES hospitality_technology.services(service_id), FOREIGN KEY (staff_id_ordered) REFERENCES hospitality_technology.staff(staff_id), FOREIGN KEY (staff_id_delivered) REFERENCES hospitality_technology.staff(staff_id) )
CREATE TABLE hospitality_technology.payments (
    payment_id character varying(64) NOT NULL,  -- unique identifier for the payment transaction
    reservation_id character varying(64), -- FK to reservations (if payment is for a stay)
    guest_id character varying(64) NOT NULL, -- FK to guests (who paid)
    bill_id character varying(64), -- FK to bills/invoices this payment applies to
    amount numeric(12,2) NOT NULL, -- amount of the payment
    currency_code character varying(3) NOT NULL, -- ISO currency code (e.g., USD, EUR)
    payment_method character varying(50) NOT NULL, -- e.g., CreditCard, Cash, BankTransfer, Points, Voucher
    card_type character varying(50), -- e.g., Visa, MasterCard, Amex (if CC)
    card_last_four character varying(4), -- last 4 digits of CC (if CC)
    transaction_ref character varying(128), -- reference ID from payment gateway or processor
    payment_timestamp timestamp with time zone NOT NULL DEFAULT current_timestamp, -- when the payment occurred
    status character varying(50) NOT NULL, -- e.g., Pending, Succeeded, Failed, Refunded, Disputed
    staff_id_processed character varying(64), -- FK to staff (who processed the payment)
    notes text, -- notes about the payment
    PRIMARY KEY (payment_id),
    FOREIGN KEY (reservation_id) REFERENCES hospitality_technology.reservations(reservation_id),
    FOREIGN KEY (guest_id) REFERENCES hospitality_technology.guests(guest_id),
    FOREIGN KEY (staff_id_processed) REFERENCES hospitality_technology.staff(staff_id)
)
CREATE TABLE hospitality_technology.reviews ( review_id character varying(64) NOT NULL, property_id character varying(64) NOT NULL, reservation_id character varying(64) UNIQUE, guest_id character varying(64) NOT NULL, rating_overall integer, rating_cleanliness integer, rating_service integer, rating_location integer, rating_value integer, comment text, review_source character varying(100), review_date timestamp with time zone NOT NULL DEFAULT current_timestamp, is_public boolean DEFAULT true, staff_response text, response_staff_id character varying(64), response_date timestamp with time zone, PRIMARY KEY (review_id), FOREIGN KEY (property_id) REFERENCES hospitality_technology.properties(property_id), FOREIGN KEY (reservation_id) REFERENCES hospitality_technology.reservations(reservation_id), FOREIGN KEY (guest_id) REFERENCES hospitality_technology.guests(guest_id), FOREIGN KEY (response_staff_id) REFERENCES hospitality_technology.staff(staff_id) )


[User] What is the average ROI for smart money addresses on the Ethereum chain?

[Assistant] SELECT AVG(roi) FROM smart_money_token_performance WHERE chain = 'Ethereum';

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
 "CREATE TABLE project_fundraising_record (",
    "id character varying(32) NOT NULL,  -- fundraising record id",
    "project_id character varying(32) NOT NULL, -- the invested project's id",
    "project_name character varying(128) NOT NULL, -- name of the invested project",
    "rounds_name character varying(32), -- name of the fundraising round",
    "investment_value numeric(38,14), -- amount of the fundraising in USD",
    "investment_date character varying(128), -- the date of the investment happened",
    "introduction character varying(128), -- the introduction of the invested project",
    "valuation numeric(38,14), -- the valuation of the project in USD when invested",

 "CREATE TABLE token_basic_info (",
    "coin_id character varying(100) NOT NULL, -- the id of the token",
    "token_name character varying(100) NOT NULL, -- the token's name",
    "token_symbol character varying(100) NOT NULL, -- the token's symbol",
    "token_address character varying(100) NOT NULL, -- the token's address",
    "chain text, -- the chain that the token resides",
    "price double precision, -- the current price of the token",
    "price_change_percentage_1h double precision, -- change in value divided by the absolute price value of the original token price in 1 hour",
    "price_change_percentage_24h double precision, -- change in value divided by the absolute price value of the original token price in 24 hours",
    "price_change_percentage_7d double precision, -- change in value divided by the absolute price value of the original token price in 7 days",
    "highest_price_24h double precision, -- the highest price of the token in 24 hours",
    "lowest_price_24h double precision,  -- the lowest price of the token in 24 hours",
    "market_cap double precision, -- the market cap of the token",
    "market_cap_rank bigint, -- the rank of the token market cap in desc",
    "market_cap_change_percentage_24h text, -- the percentage of market cap changes in 24 hours",
    "total_volume text, -- the trade volum of the token both in decentralized exchange(DEX) and centralized exchange(CEX)",
    "narrative text, -- the category or narrative of the token",
    "trend_rank biging, -- the trending rank of the token, value 1 expresses the most popular token.",
    ",PRIMARY KEY (coin_id, chain));",

 "CREATE TABLE narrative_info (",
    "narrative character varying(512) NOT NULL, -- the id of narrative",
    "top_3_coins text, -- the top 3 tokens in the narrative",
    "price_change_percentage_1h double precision, -- change in value divided by the absolute price value of the original token price in 1 hour in the narrative",
    "price_change_percentage_24h double precision, -- change in value divided by the absolute price value of the original token price in 24 hours in the narrative",
    "price_change_percentage_7d double precision, -- change in value divided by the absolute price value of the original token price in 7 days in the narrative",
    "market_cap double precision, -- the market cap of the narrative",
    "volume_24h double precision, -- the trade volume of the narrative",
    "trend_rank bigint, -- the trending rank of the narrative, value 1 expresses the most popular narrative",
    "token_num bigint, -- total token number in the narrative",
    ",PRIMARY KEY (narrative));"

  "CREATE TABLE cex_token_balance (",
    "snapshot_time character varying(32) NOT NULL,  -- the snapshot time of record, converted from original timestamp",
    "chain character varying(128) NOT NULL, -- the chain that the token resides",
    "address character varying(128) NOT NULL, -- the address that holds the assets, owned by a CEX",
    "exchange character varying(512) NOT NULL, -- a centralized exchange name",
    "token_address character varying(128) NOT NULL, -- token contract address",
    "token_symbol character varying(512), --token symbol",
    "balance numeric(38,10), -- token balance",
    "usd_value numeric(38,14), -- value of the token held in USD",
    "price double precision, --price of the token in USD",
    ",PRIMARY KEY (snapshot_time, exchange, address, chain, token_address));"

  "CREATE TABLE smart_money_token_performance (",
    "token_address character varying(100) NOT NULL, -- the token's address",
    "token_symbol character varying(100), -- the tokens's symbol",
    "pnl numeric(38,2), -- the profit users made on this token",
    "net_flow numeric(38,2), -- the netflow of the token, means the money user spent minus the the money user sold of this token",
    "avg_cost numeric(38,16), -- the average cost price of user spent on this token",
    "price double precision, -- the current price of the token",
    "realized_ratio numeric(10,2), -- the ratio user sold of the token",
    "roi numeric(10,2), -- the roi users made of this token",
    "chain character varying(100), -- the chain that the token resides",
    "PRIMARY KEY (token_address, chain));",


[User] Show me all fuel logs where the location is 'LOC456', including the vehicle ID, fuel type, and quantity.

[Assistant] SELECT vehicle_id, fuel_type, quantity FROM transportation.fuel_logs WHERE location_id = 'LOC456';

[User] Can you also include the trip ID and filter to only show logs from the last 3 months?

[Assistant] SELECT vehicle_id, trip_id, fuel_type, quantity FROM transportation.fuel_logs WHERE location_id = 'LOC456' AND log_timestamp >= CURRENT_DATE - INTERVAL '3 months';

[User] Now group these results by fuel type and show the total quantity for each type.

[Assistant] SELECT fuel_type, SUM(quantity) AS total_quantity FROM transportation.fuel_logs WHERE location_id = 'LOC456' AND log_timestamp >= CURRENT_DATE - INTERVAL '3 months' GROUP BY fuel_type;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE transportation.fuel_logs ( fuel_log_id text, vehicle_id text, trip_id text, log_timestamp timestamp, fuel_type text, quantity numeric, unit text, cost_per_unit numeric, total_cost numeric, odometer_reading integer, location_id text )


[User] List the content and sent time for messages sent by user 'U101'.

[Assistant] SELECT content, sent_at FROM social_media.messages WHERE sender_user_id = 'U101';

[User] Could you also include the group name for those messages and only show messages sent in group chats?

[Assistant] SELECT m.content, m.sent_at, c.name AS group_name FROM social_media.messages m JOIN social_media.conversations c ON m.conversation_id = c.conversation_id WHERE m.sender_user_id = 'U101' AND c.type = 'group';

[User] Now filter to include only messages sent in June 2024 and order them by sent time descending.

[Assistant] SELECT m.content, m.sent_at, c.name AS group_name FROM social_media.messages m JOIN social_media.conversations c ON m.conversation_id = c.conversation_id WHERE m.sender_user_id = 'U101' AND c.type = 'group' AND m.sent_at >= '2024-06-01' AND m.sent_at < '2024-07-01' ORDER BY m.sent_at DESC;

[User] Also limit the results to the top 15.

[Assistant] SELECT m.content, m.sent_at, c.name AS group_name FROM social_media.messages m JOIN social_media.conversations c ON m.conversation_id = c.conversation_id WHERE m.sender_user_id = 'U101' AND c.type = 'group' AND m.sent_at >= '2024-06-01' AND m.sent_at < '2024-07-01' ORDER BY m.sent_at DESC LIMIT 15;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE social_media.messages (
    message_id character varying(64) NOT NULL, -- unique identifier for the message
    conversation_id character varying(64) NOT NULL, -- identifier for the conversation thread (FK to conversations.conversation_id)
    sender_user_id character varying(64) NOT NULL, -- identifier of the sender (FK to users.user_id)
    content text, -- textual content of the message
    media_url text, -- URL to attached media (image/video)
    media_type character varying(20), -- type of media ('image', 'video', null)
    sent_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp when message was sent
    read_at timestamp, -- timestamp when message was read by recipient(s)
    PRIMARY KEY (message_id)
)


[User] Find all documents of type 'Correspondence' uploaded in 2023. Show the document name, upload timestamp, and the name of the case it belongs to.

[Assistant] SELECT T1.document_name, T1.upload_timestamp, T2.case_name FROM legal_services.documents AS T1 JOIN legal_services.cases AS T2 ON T1.case_id = T2.case_id WHERE T1.document_type = 'Correspondence' AND EXTRACT(YEAR FROM T1.upload_timestamp) = 2023;

[User] Now, only show the documents for cases handled by lawyer with ID 'lawyer_001'.

[Assistant] SELECT T1.document_name, T1.upload_timestamp, T2.case_name FROM legal_services.documents AS T1 JOIN legal_services.cases AS T2 ON T1.case_id = T2.case_id WHERE T1.document_type = 'Correspondence' AND EXTRACT(YEAR FROM T1.upload_timestamp) = 2023 AND T2.lead_lawyer_id = 'lawyer_001';

[User] Additionally, include the first and last name of the lawyer who actually uploaded the document, and sort the results by upload timestamp descending.

[Assistant] SELECT T1.document_name, T1.upload_timestamp, T2.case_name, T3.first_name, T3.last_name FROM legal_services.documents AS T1 JOIN legal_services.cases AS T2 ON T1.case_id = T2.case_id JOIN legal_services.lawyers AS T3 ON T1.uploaded_by_lawyer_id = T3.lawyer_id WHERE T1.document_type = 'Correspondence' AND EXTRACT(YEAR FROM T1.upload_timestamp) = 2023 AND T2.lead_lawyer_id = 'lawyer_001' ORDER BY T1.upload_timestamp DESC;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE legal_services.clients ( client_id text PRIMARY KEY, first_name text, last_name text, company_name text, email text UNIQUE, phone text, address text, date_registered timestamp, status text )
CREATE TABLE legal_services.law_firms ( firm_id text PRIMARY KEY, firm_name text, address text, phone text, website text, founded_date date, managing_partner_id text )
CREATE TABLE legal_services.cases ( case_id.text, case_number.text, case_name.text, client_id.text, lead_lawyer_id.text, case_type.text, status.text, date_opened.timestamp, date_closed.timestamp, description.text, court_jurisdiction.text )
CREATE TABLE legal_services.documents (
    document_id character varying(64) NOT NULL,  -- unique identifier for the document
    case_id character varying(64) NOT NULL, -- FK to cases table
    document_name character varying(255) NOT NULL, -- name of the document file
    document_type character varying(100), -- e.g., Pleading, Contract, Evidence, Correspondence
    storage_path text NOT NULL, -- path or reference to the document storage location
    uploaded_by_lawyer_id character varying(64), -- FK to lawyers table (who uploaded it)
    upload_timestamp timestamp NOT NULL, -- time the document was uploaded
    version integer DEFAULT 1, -- document version number
    description text, -- brief description or notes about the document
    PRIMARY KEY (document_id)
)
CREATE TABLE legal_services.appointments (
    appointment_id character varying(64) NOT NULL, -- unique identifier for the appointment
    client_id character varying(64) NOT NULL, -- FK to clients table
    lawyer_id character varying(64) NOT NULL, -- FK to lawyers table
    case_id character varying(64), -- FK to cases table (optional, if related to a specific case)
    start_time timestamp NOT NULL, -- scheduled start date and time
    end_time timestamp NOT NULL, -- scheduled end date and time
    location text, -- location of the meeting (address or virtual link)
    subject character varying(255), -- subject or purpose of the appointment
    notes text, -- additional notes for the appointment
    status character varying(50) NOT NULL, -- e.g., Scheduled, Completed, Canceled, Rescheduled
    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
    PRIMARY KEY (appointment_id)
)


[User] Show me all cryptocurrency assets that have metadata entries for both 'category' and 'subcategory', along with their corresponding values.

[Assistant] SELECT m1.asset_id, m1.value AS category, m2.value AS subcategory FROM trading_platform.metadata m1 JOIN trading_platform.metadata m2 ON m1.asset_id = m2.asset_id JOIN trading_platform.metadata m3 ON m1.asset_id = m3.asset_id WHERE m1.key = 'category' AND m2.key = 'subcategory' AND m3.key = 'asset_type' AND m3.value = 'cryptocurrency';

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE trading_platform.users ( user_id text, username text, email text, password_hash text, created_at timestamp )
CREATE TABLE trading_platform.wallets ( wallet_id.text, user_id.text, address.text, private_key.text, created_at.timestamp )
CREATE TABLE trading_platform.orders ( order_id character varying(64) NOT NULL, user_id character varying(64) NOT NULL, wallet_id character varying(64) NOT NULL, asset_id character varying(64) NOT NULL, order_type character varying(32) NOT NULL, quantity numeric(38,14) NOT NULL, price numeric(38,14) NOT NULL, status character varying(32) NOT NULL, created_at timestamp NOT NULL, PRIMARY KEY (order_id) )
CREATE TABLE trading_platform.trades ( trade_id character varying(64) NOT NULL, order_id character varying(64) NOT NULL, buyer_id character varying(64) NOT NULL, seller_id character varying(64) NOT NULL, asset_id character varying(64) NOT NULL, quantity numeric(38,14) NOT NULL, price numeric(38,14) NOT NULL, traded_at timestamp NOT NULL, PRIMARY KEY (trade_id) )
CREATE TABLE trading_platform.dapps (
    dapp_id character varying(64) NOT NULL,  -- unique identifier for the DApp
    name character varying(128) NOT NULL, -- name of the DApp
    description text NOT NULL, -- description of the DApp
    url character varying(256) NOT NULL, -- URL of the DApp
    PRIMARY KEY (dapp_id)
)
CREATE TABLE trading_platform.metadata ( metadata_id character varying(64) NOT NULL, asset_id character varying(64) NOT NULL, key character varying(128) NOT NULL, value text NOT NULL, PRIMARY KEY (metadata_id) )
CREATE TABLE trading_platform.kyc_audit ( kyc_audit_id text PRIMARY KEY, user_id text, status text, reviewed_at timestamp )
CREATE TABLE trading_platform.logs (
    log_id character varying(64) NOT NULL,  -- unique identifier for the log entry
    user_id character varying(64), -- identifier of the user associated with the log entry
    action character varying(128) NOT NULL, -- action performed
    details text NOT NULL, -- details of the action
    logged_at timestamp NOT NULL, -- time when the log entry was created
    PRIMARY KEY (log_id)
)
CREATE TABLE trading_platform.notifications (
    notification_id character varying(64) NOT NULL,  -- unique identifier for the notification
    user_id character varying(64) NOT NULL, -- identifier of the user receiving the notification
    message text NOT NULL, -- message of the notification
    sent_at timestamp NOT NULL, -- time when the notification was sent
    read_at timestamp, -- time when the notification was read
    PRIMARY KEY (notification_id)
)


[User] Retrieve the most recent log entry for each user, including action and logged_at.

[Assistant]
SELECT l1.user_id,
       l1.action,
       l1.logged_at
FROM trading_platform.logs l1
WHERE l1.logged_at = (
  SELECT MAX(l2.logged_at)
  FROM trading_platform.logs l2
  WHERE l2.user_id = l1.user_id
);

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE trading_platform.users (
    user_id character varying(64) NOT NULL,  -- unique identifier for the user
    username character varying(128) NOT NULL, -- username of the user
    email character varying(128) NOT NULL, -- email address of the user
    password_hash text NOT NULL, -- hashed password of the user
    created_at timestamp NOT NULL, -- time when the user account was created
    PRIMARY KEY (user_id)
)
CREATE TABLE trading_platform.orders (
    order_id character varying(64) NOT NULL,  -- unique identifier for the order
    user_id character varying(64) NOT NULL, -- identifier of the user placing the order
    wallet_id character varying(64) NOT NULL, -- identifier of the wallet used for the order
    asset_id character varying(64) NOT NULL, -- identifier of the asset being traded
    order_type character varying(32) NOT NULL, -- type of the order (e.g., buy, sell)
    quantity numeric(38,14) NOT NULL, -- quantity of the asset in the order
    price numeric(38,14) NOT NULL, -- price per unit of the asset
    status character varying(32) NOT NULL, -- status of the order (e.g., open, filled, canceled)
    created_at timestamp NOT NULL, -- time when the order was created
    PRIMARY KEY (order_id)
)
CREATE TABLE trading_platform.dapps (
    dapp_id character varying(64) NOT NULL,  -- unique identifier for the DApp
    name character varying(128) NOT NULL, -- name of the DApp
    description text NOT NULL, -- description of the DApp
    url character varying(256) NOT NULL, -- URL of the DApp
    PRIMARY KEY (dapp_id)
)
CREATE TABLE trading_platform.peers (
    peer_id character varying(64) NOT NULL,  -- unique identifier for the peer
    ip_address character varying(15) NOT NULL, -- IP address of the peer
    port integer NOT NULL, -- port number of the peer
    last_seen timestamp NOT NULL, -- last time the peer was active
    PRIMARY KEY (peer_id)
)
CREATE TABLE trading_platform.metadata (
    metadata_id character varying(64) NOT NULL,  -- unique identifier for the metadata
    asset_id character varying(64) NOT NULL, -- identifier of the asset the metadata is associated with
    key character varying(128) NOT NULL, -- key of the metadata
    value text NOT NULL, -- value of the metadata
    PRIMARY KEY (metadata_id)
)
CREATE TABLE trading_platform.logs (
    log_id character varying(64) NOT NULL,  -- unique identifier for the log entry
    user_id character varying(64), -- identifier of the user associated with the log entry
    action character varying(128) NOT NULL, -- action performed
    details text NOT NULL, -- details of the action
    logged_at timestamp NOT NULL, -- time when the log entry was created
    PRIMARY KEY (log_id)
)


[User] Show me the earliest unlock date for each achievement along with the player_id who unlocked it.

[Assistant] SELECT achievement_id, player_id, MIN(unlocked_at) AS earliest_unlock FROM gaming_technology.player_achievements GROUP BY achievement_id, player_id;

[User] Actually, for each achievement, I only want to see the player who was the very first to unlock it and the corresponding date.

[Assistant] SELECT pa.achievement_id, pa.player_id, pa.unlocked_at AS earliest_unlock FROM gaming_technology.player_achievements pa INNER JOIN ( SELECT achievement_id, MIN(unlocked_at) AS min_unlocked_at FROM gaming_technology.player_achievements GROUP BY achievement_id ) first_unlock ON pa.achievement_id = first_unlock.achievement_id AND pa.unlocked_at = first_unlock.min_unlocked_at;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE gaming_technology.player_achievements ( player_achievement_id.uuid, player_id.uuid, achievement_id.uuid, unlocked_at.timestamptz )