Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.
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Question: Who was the subject of the film I'm Not There, and did not appear in it?

Answer: bob dylan


Question: Which London Underground line connects Euston and Waterloo?

Answer: northern line


Question: In 1913, New York socialite Mary Phelps Jacob created which first modern item of clothing out of two silk handkerchiefs?

Answer:
bra