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


[Q]: Which of Henry VIII`s wives was mother to Queen Mary?
[A]: catherine of aragon


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