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

Which Beatle played Youngman Grand in The Magic Christian 1969, with Peter Sellers?
the beatles

On which holiday island are the peaks of 'Ruivo' and 'Arieiro', and the airport of 'Santa Cruz'?
pico do arieiro

Who composed 'Eine Kleine Nachtmusik' in the 18th Century?

eine kleine nachtmusik