TASK DEFINITION: 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.
PROBLEM: how popular was Hearts of the West?

SOLUTION: unknown

PROBLEM: who is the director of Whistle Down the Wind?

SOLUTION: Bryan Forbes

PROBLEM: what movie did Henriette Mantel write the story for?

SOLUTION:
An Unreasonable Man