Question: Who gave a "4" rating to the movie "Freaks" at 2013/5/4 6:33:32? Give his/her user id.
SQL: SELECT T1.user_id FROM ratings AS T1 INNER JOIN movies AS T2 ON T1.movie_id = T2.movie_id WHERE rating_score = 4 AND rating_timestamp_utc LIKE '2013-05-04 06:33:32' AND T2.movie_title LIKE 'Freaks'