instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Who, as the first chairman of the British Rail Board, infamously directed the huge reduction in railway lines across the UK in the 1960s?
answer:
british railways board


question:
The film Schindler's List was based on whose Booker Prize winning novel of 1982?
answer:
schindler's list


question:
Which of these Disney films was released before the others?
answer:

the walt disney company