Table schema:
CREATE TABLE table_name_50 (film_name VARCHAR, music_director VARCHAR, lyricist VARCHAR, year VARCHAR, language VARCHAR)

Question: What 1972 Hindi film had Ravindra Jain directing the music?
SQL: SELECT film_name FROM table_name_50 WHERE year > 1972 AND language = "hindi" AND lyricist = "ravindra jain" AND music_director = "ravindra jain"