Task: Text to Code
Input (English): SQL: SELECT Sum ( T3.order_quantity ) FROM Customers AS T1 JOIN Customer_Orders AS T2 ON T1.customer_id = T2.customer_id JOIN Order_Items AS T3 ON T2.order_id = T3.order_id WHERE T1.date_became_customer < "2018-03-17 07:13:53"
Feedback: There should be order date instead of date became customer .
Output (English): SELECT sum(t2.order_quantity) FROM customer_orders AS t1 JOIN order_items AS t2 ON t1.order_id  =  t2.order_id WHERE t1.order_date  <  "2018-03-17 07:13:53"