select www.title as most_rented_movie from (select film.title, count(rental.rental_id) as s from film inner join inventory on film.film_id=inventory.film_id inner join rental on inventory.inventory_id=rental.inventory_id where YEAR(rental.rental_date)='2006' and MONTH(rental.rental_date)='02' group by film.film_id order by s desc limit 1) as www;
;
show status like 'Last_query_cost';