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]: Broadcast on live TV, what Dallas nightclub owner shot and killed total asshat Lee Harvey Oswald?
[EX A]: jack ruby

[EX Q]: Snail fever is caused by organisms of which genus?
[EX A]: schistosoma

[EX Q]: The aria 'Un bel di vedremo' (One fine day) is from which opera by Giacomo Puccini?
[EX A]:
madama butterfly