Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
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Question: Which Nation does Aston Villa Goalkeeper Brad Guzan represent?

Answer: brad guzan


Question: 'Arthur Clennam', 'Jeremiah Flintwinch', and 'Edward Sparkler' are all characters in which Dickens' novel?

Answer: arthur clennam


Question: In which Dickens novel do 'Lord George Gordon', 'Simon Tappertit'and 'Dolly Varden' appear?

Answer:
dolly varden