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 won the title of world chess championship in 2017

Answer: Armenian grandmaster Levon Aronian


Question: who walked the tightrope between the twin towers

Answer: Philippe Petit


Question: who was the highest-ranking black officer in the u.s. army at the beginning of the first world war

Answer:
Charles Young