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

actress who played emily walters in the recent movie hampstead
Diane Keaton

which chef has got the most michelin stars

Joël Robuchon