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: In which range of mountains are the two highest peaks Aconcagua and Ojos Del Salado?

Answer: aconcagua


Question: Which motor manufacturer produces the Duster model?

Answer: dacia duster


Question: Who had a hit with the song Copacabana in 1978?

Answer:
copacabana