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

Ex Input:
What sport features in the films 'He Got Game' (1998), 'Flubber' (1997) and 'Celtic Pride' (1996)?

Ex Output:
celtic pride

Ex Input:
In which city will the 2014 Tour de France begin?

Ex Output:
2014 tour de france

Ex Input:
Who was the first person to be officially called British Prime Minister, 5 days after he took office in 1905?

Ex Output:
prime minister of the united kingdom