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

Ex Input:
Which football team play home games at Bloomfield Road?

Ex Output:
bloomfield road

Ex Input:
Which King was born at Dunfermline Palace in November 1600?

Ex Output:
dunfermline palace

Ex Input:
Which river flows through Hobart in Tasmania - there are English rivers of the same name in Cumbria, Derbyshire and Yorkshire?

Ex Output:
derbyshire