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

[EX Q]: Which musical has the songs 'Another Suitcase In Another Hall' and 'Oh What A Circus'?
[EX A]: another suitcase in another hall

[EX Q]: Chris Difford and Glenn Tilbrook founded which band in 1974?
[EX A]: chris difford

[EX Q]: Who designed the Bridgewater Canal, opened in 1761?
[EX A]:
bridgewater canal