Based on the given question and tppic, give an answer. The answer is available on on the internet. The questions are mostly centered around a single named entity.
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Question: concept: Martin Cooper  question:  what is martin cooper doing now?

Answer: ['Inventor']


Question: concept: Paul Revere  question:  who is paul revere and what did he do?

Answer: ['Silversmith']


Question: concept: Duke Ellington  question:  what did duke ellington do?

Answer:
Musician