Which film rated by user 59988436 that received 21 comments?
user 59988436 refers to user_id = 59988436; received 21 comments refers to critic_comments = 21; film refers to movie;
SELECT T2.movie_title FROM ratings AS T1 INNER JOIN movies AS T2 ON T1.movie_id = T2.movie_id WHERE T1.user_id = 59988436 AND T1.critic_comments = 21