Please list the names of the movies that have been rated the most times in 2020.
in 2020 refers to rating_timestamp_utc = '2020%'; rated the most times refers to Max(Count(movie_title));
SELECT T2.movie_title FROM ratings AS T1 INNER JOIN movies AS T2 ON T1.movie_id = T2.movie_id WHERE T1.rating_timestamp_utc LIKE '2020%' GROUP BY T2.movie_title ORDER BY COUNT(T2.movie_title) DESC LIMIT 1