Update README.md

README.md

@@ -20,7 +20,7 @@ configs:
 dataset_info:
   features:
   - name: question_id
-    dtype: string
+    dtype: int64
   - name: split
     dtype: string
   - name: task
@@ -33,6 +33,12 @@ dataset_info:
     dtype: image
   - name: answers
     sequence: string
+  - name: metadata   
+    features:          
+      - name: age
+        dtype: int64
+      - name: gender
+        dtype: string
 ---