CREATE TABLE table_68645 ("Year" FLOAT, "Song" CLOB, "Film" CLOB, "Music director ( s ) " CLOB, "Lyricist" CLOB)

What song was written after 1976 and directed by Rahul Dev Burman?
SELECT "Song" FROM table_68645 WHERE "Year" > '1976' AND "Music director(s)" = 'rahul dev burman'
SELECT "Song" FROM "table_68645" WHERE "Music director(s)" = 'rahul dev burman' AND "Year" > '1976'