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

Who in the 1930's wrote the novel 'Cakes And Ale'?
cakes and ale

Thereze Bazar and David van Day were better known as which duo?
david van day

Who organised the 1971 Concert for Bangladesh at Madison Square Garden with Ravi Shankar?

the concert for bangladesh