In this task, You are given an open-domain question that can be answered based on factual information. Your task is to provide \*short\* answer (in a few words only) for the given question. The short answer can be one or more entities or it can also be boolean \*yes\* or \*no\*.
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Question: who's the lead singer of the doobie brothers

Answer: Tom Johnston


Question: where did top gear build the bridge in thailand

Answer: over the Kok River


Question: when is thor ragnarok coming out in the us

Answer:
November 3, 2017