What award, included in the term EGOT, did A Chorus Line win?
A Chorus Line (film):  The screenplay by Arnold Schulman is based on the Tony Award-winning book of the 1975 stage production of the same name by James Kirkwood, Jr. and Nicholas Dante. Marvin Hamlisch:  Hamlisch was one of only twelve people to win Emmy, Grammy, Oscar and Tony awards.
i don't know