In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.

Q: Context: such as the Swiss band Hellhammer (later to become Celtic Frost) Link Information:  Formed in 1981 as Hellhammer, the band became Celtic Frost in 1984 Answer: 1984

A: In what year did Hellhammer become Celtic Frost?
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Q: Context: Their score for the movie included an instrumental selection titled "Cotton's Dream", which was later rescored to become the theme song of the soap opera The Young and the Restless; Link Information: First broadcast on March 26, 1973, The Young and the Restless was originally broadcast as half-hour episodes Answer: March 26, 1973

A: When did the soap opera that used the song "Cotton's Dream" as it's theme first air?
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Q: Context: His father was Army Medical Corps officer Major Walter Reed, namesake of the Walter Reed Army Medical Center. Link Information: Reed died in the Walter Reed Army Medical Center in 1956. Answer: 7

A:
How many years after the medical center was named after his father did Reed die in the same center?
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