Database: movie_platform
Question: What are the names of the movie that was rated by the user between 1/1/2013 to 12/31/2013 by the user who created the list "100 Greatest Living American Filmmakers"? Calculate for the average rating score of those movies in 2013.
SQL: SELECT T2.movie_title FROM ratings AS T1 INNER JOIN movies AS T2 ON T1.movie_id = T2.movie_id INNER JOIN lists AS T3 ON T3.user_id = T1.user_id WHERE T1.rating_timestamp_utc BETWEEN '2013-01-01' AND '2013-12-31' AND T3.list_title = '100 Greatest Living American Filmmakers'