Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.

[Q]: The Hall of Mirrors is in which building?
[A]: palace of versailles


[Q]: Emerald and aquamarine are varieties of which gemstone?
[A]: beryl


[Q]: US outlaws Robert LeRoy Parker and Harry Longabaugh were better known by what names?
[A]:
butch cassidy and the sundance kid