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 is the writer of Kon-Tiki?

Ex Output:
Allan Scott, Petter Skavlan


Ex Input:
how popular was Bye-Bye?

Ex Output:
unheard of


Ex Input:
who acted in Thirteen?

Ex Output:

Holly Hunter, Evan Rachel Wood, Vanessa Hudgens, Nikki Reed