instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Dreams from my father, a story of race and heritance is about which politician?
answer:
dreams from my father

question:
Which 1970s musical film starred Angela Lansbury as a trainee witch?
answer:
angela lansbury

question:
Who was the father of John of Gaunt and Edward, the Black Prince?
answer:
edward, the black prince