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

What is the French name for the English Channel?
channel

The Battle of Poltava in 1709 was a victory by Peter the Great over which state?
battle of poltava

Who reached No.1 in the UK charts in 1977 with 'Don't cry for me, Argentina ' ?

don't cry for me argentina