instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
The 1987 film 'Roxanne' was adapted by actor Steve Martin from which Edmond Rostand play?
answer:
roxanne

question:
Which British Prime Minister signed the 'Entente Cordiale' in 1904?
answer:
prime minister of the united kingdom

question:
Who wrote Treasure Island, Strange Case of Dr Jekyll and Mr Hyde, Kidnapped and The Master of Ballantrae?
answer:
the master of ballantrae