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: Which London Underground line connects Euston and Waterloo?

Answer: northern line


Question: Which of Henry VIII`s wives was mother to Queen Mary?

Answer: catherine of aragon


Question: Name Frank Sinatra's Oscar winning song from the 1959 movie, `A Hole in the Head'.?

Answer:
high hopes