When were the products ordered by Cruz & Sons Co. on 2003-03-03 shipped?
Cruz & Sons Co. is name of customer; ordered on 2003-03-03 refers to orderDate;
SELECT t1.shippedDate FROM orders AS t1 INNER JOIN customers AS t2 ON t1.customerNumber = t2.customerNumber WHERE t2.customerName = 'Cruz & Sons Co.' AND t1.orderDate = '2003-03-03'