Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

[Q]: What was the first Apollo mission to leave Earth orbit and orbit the moon, in 1968?
[A]: apollo


[Q]: What famous novel invented the terms thoughtcrime and doubleplusgood?
[A]: newspeak


[Q]: Kashmir is a classic track on a 1975 album by which British rock band?
[A]:
album