Find the name of the customer who made an order most recently.
SELECT t1.customer_name FROM customers AS t1 JOIN customer_orders AS t2 ON t1.customer_id  =  t2.customer_id ORDER BY t2.order_date DESC LIMIT 1
SELECT t1.customer_name FROM customers AS t1 JOIN customer_orders AS t2 ON t1.customer_id  =  t2.customer_id ORDER BY t2.order_date DESC LIMIT 1
[{'customer_name': 'Eunice Morar'}]