In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.
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Question: What episode of supergirl does she meet the flash?

Answer: Worlds Finest


Question: Who sang i got my mind made up?

Answer: Instant Funk


Question: Who is credited with suggesting the word hello be used when answering the phone?

Answer:
Thomas Alva Edison