Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
--------
Question: What did Edwin Land invent because of his daughters' wish for instant and 'snappy' results?

Answer: edwin h. land

Question: Which group had UK top ten hits in 1987 with 'Sweet Little Mystery' and 'Angel Eyes'?

Answer: angel eyes

Question: Which Charles Dickens followed 'Nicholas Nickleby'?

Answer:
charles dickens