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: Who directed the 1988 film 'Beetle Juice'?

Answer: beetlejuice


Question: In which country are the Angel Falls, or Kerepakupai Ven?

Answer: angel falls


Question: In which 1960s and 70s TV sitcom did Brian Wilde play a character called 'Bloody Delilah' ?

Answer:
brian wilde