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

Example Input: What was the name of the 1963 Disney live action movie, where 3 animals ventured to get themselves home?
Example Output: walt disney pictures

Example Input: Who won the 2011 Booker Prize for 'The Sense of an Ending'?
Example Output: the sense of an ending

Example Input: Which English mechanical and civil engineer who died in 1859 was responsible for engineering the Great Western Railway and designing the Clifton Suspension Bridge in Bristol ?
Example Output:
clifton suspension bridge