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]: Which female had a hit in 2011 Hold It Against Me?
[EX A]: britney spears

[EX Q]: Which ELO song features Wagner, Beethoven, Puccini and Verdi?
[EX A]: rockaria!

[EX Q]: What's the nationality of golfers Ernie Els and Gary Player?
[EX A]:
south africa