Question: Which product did Cruz & Sons Co. ask for the biggest amount in a single order?
SQL: SELECT t4.productName FROM orderdetails AS t1 INNER JOIN orders AS t2 ON t1.orderNumber = t2.orderNumber INNER JOIN customers AS t3 ON t2.customerNumber = t3.customerNumber INNER JOIN products AS t4 ON t1.productCode = t4.productCode WHERE t3.customerName = 'Cruz & Sons Co.' ORDER BY t1.priceEach * t1.quantityOrdered DESC LIMIT 1