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.

Example Input: how popular was Joysticks?
Example Output: unknown

Example Input: the film Keeping the Faith starred which actors?
Example Output: Edward Norton, Ben Stiller, Anne Bancroft, Jenna Elfman

Example Input: what films did Chris Kyle write?
Example Output:
American Sniper