Database: sakila_1

Question: What is the full name of the staff member who has rented a film to a customer with the first name April and the last name Burns?
SQL: SELECT DISTINCT T1.first_name ,  T1.last_name FROM staff AS T1 JOIN rental AS T2 ON T1.staff_id  =  T2.staff_id JOIN customer AS T3 ON T2.customer_id  =  T3.customer_id WHERE T3.first_name  =  'APRIL' AND T3.last_name  =  'BURNS'

Question: Which store has most the customers?
SQL: SELECT store_id FROM customer GROUP BY store_id ORDER BY count(*) DESC LIMIT 1

Question: What is the largest payment amount?
SQL: SELECT amount FROM payment ORDER BY amount DESC LIMIT 1

Question: Where does the staff member with the first name Elsa live?
SQL: SELECT T2.address FROM staff AS T1 JOIN address AS T2 ON T1.address_id  =  T2.address_id WHERE T1.first_name  =  'Elsa'