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.

[EX Q]: Context: Essex skippers' other foods include creeping soft grass Link Information: none Answer: none
[EX A]: Of the grasses that the essex skipper eats, which is the longest?

[EX 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
[EX A]: In what year did Hellhammer become Celtic Frost?

[EX Q]: Context: Stevens was a firm supporter of former brigadier general Franklin Pierce's candidacy for President of the United States in 1852 Link Information: Franklin Pierce (November 23, 1804 – October 8, 1869)  Answer: 65
[EX A]:
How old was the person whom Stevens supported for president when he died?