Question: Find the name of tracks which are in Movies playlist but not in music playlist.
SQL: SELECT T1.name FROM tracks AS T1 JOIN playlist_tracks AS T2 ON T1.id  =  T2.track_id JOIN playlists AS T3 ON T2.playlist_id  =  T3.id WHERE T3.name  =  'Movies' EXCEPT SELECT T1.name FROM tracks AS T1 JOIN playlist_tracks AS T2 ON T1.id  =  T2.track_id JOIN playlists AS T3 ON T2.playlist_id  =  T3.id WHERE T3.name  =  'Music'