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]: Whose last opera was Falstaff?
[EX A]: giuseppe verdi

[EX Q]: Which John Legend song knocked Pharell Willams completely off the No.1 spot on the US Billboard?
[EX A]: all of me

[EX Q]: Which English novelist is best known for his Father Brown detective series?
[EX A]:
g. k. chesterton