You are given an open-domain question from an open movie database. Your task is to provide an answer to that question. Try to only include the answer. Do not put it in a sentence.

Ex Input:
who stars in Major Barbara?

Ex Output:
Rex Harrison, Robert Morley, Wendy Hiller, Robert Newton


Ex Input:
who is the writer of Foreign Correspondent?

Ex Output:
Charles Bennett, Joan Harrison, James Hilton, Robert Benchley


Ex Input:
which topics is movie Little Boy Blue about?

Ex Output:

bd-r