| # Task: 016 |
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| **Database:** retails |
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| ## Question |
| Show the number of suppliers and customers from America. |
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| ## Gold Query |
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| ```sql |
| SELECT |
| (SELECT COUNT(*) FROM supplier |
| WHERE s_nationkey IN (SELECT n_nationkey FROM nation WHERE n_name = 'UNITED STATES') |
| ) AS supplier_count, |
| (SELECT COUNT(*) FROM customer |
| WHERE c_nationkey IN (SELECT n_nationkey FROM nation WHERE n_name = 'UNITED STATES') |
| ) AS customer_count; |
| ``` |
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| **Execution Result:** |
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| | supplier_count | customer_count | |
| |------------------|------------------| |
| | 391 | 6100 | |
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| *1 rows* |
