Database: customers_and_addresses
Question: What is the name of the customer that made the order with the largest quantity?
SQL: select t1.customer_name 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 t3.order_quantity  =  ( select max(order_quantity) from order_items)