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.

[EX Q]: For which film did Gary Cooper win Best Actor Oscar in 1941?
[EX A]: alvin c. york

[EX Q]: New York housewife Jean Nidetch (1923-2015) founded which global organization, sold to Heinz in 1978 for $71m?
[EX A]: weight watchers

[EX Q]: What nationality is Justine Henin, winner of 7 Grand Slam singles titles and an Olympic gold medal, who retired from professional tennis in 2008 when ranked World No. 1 and returned in 2010?
[EX A]:
belgium