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.

Who is the only member of the current membership of Fleetwood Mac who does not play an instrument regularly on stage?
stevie nicks

Which movement was thought to be responsible for the kidnapping of Western hostages in Lebanon in the 890s?
hezbollah

Who shot Lee Harvey Oswald after his arrest for the assassination of John F Kennedy?

jack ruby