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\*.

when did the us send troops to europe in ww1
1917

where will 2022 fifa world cup be held
Qatar

when did worl war 2 start and end

1939