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: where was the first motte and bailey castle built

Answer: northern Europe


Question: when does nhl 2018 19 schedule come out

Answer: was released on June 21


Question: when did the united states declare war on germany

Answer:
11 December 1941