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.
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Question: who starred in Meet Bill?

Answer: Aaron Eckhart, Jessica Alba, Logan Lerman, Elizabeth Banks


Question: which topics is Madhouse about?

Answer: mental illness, mental hospital


Question: the director of Sitting Bull was?

Answer:
Sidney Salkow