In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.
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Question: Who plays sarah in cheaper by the dozen?

Answer: Alyson Stoner


Question: Who is the boy in rihanna's we found love video?

Answer: Dudley O'Shaughnessy


Question: When did they stop installing knob and tube wiring?

Answer:
early 1940s