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: Darth Vader  question:  who was the voice of darth vader in episode iii?

Answer: ['Hayden Christensen']


Question: concept: Jill Wagner  question:  what is jill wagner on wipeout?

Answer: ['Him/Herself']


Question: concept: David Ruffin  question:  who killed david ruffin?

Answer:
Drug overdose