SELECT T1.date_order_placed FROM orders AS T1 JOIN shipments AS T2 ON T1.order_id = T2.order_id WHERE T2.invoice_number = 10
What is the placement date of the order whose invoice number is 10?
SELECT T1.date_order_placed FROM orders AS T1 JOIN shipments AS T2 ON T1.order_id = T2.order_id WHERE T2.invoice_number = 10
select t1 . date_order_placed from orders as t1 join shipments as t2 on t1 . order_id = t2 . order_id where t2 . invoice_number = value
What is the placement date of the order whose invoice number is 10 ?