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

Auld Reekie is the nickname for which Scottish city?
auld reekie

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

In which state was Bruce Springsteen born?

bruce springsteen