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 Input:
Context: as the frigate RVNS Trần Bình Trọng (HQ-05) and fought in the Battle of the Paracel Islands in 1974. Link Information: he Battle of the Paracel Islands was a military engagement between the naval forces of China and South Vietnam in the Paracel Islands on January 19, 1974. Answer: 1

Ex Output:
How long did the Battle of the Paracel Island last for?


Ex Input:
Context: the retirement of Daimonji in July 1973 Link Information: Tosanoumi Toshio (born February 16, 1972 Answer: 1

Ex Output:
How old was Tsanoumi when Daimonji retired?


Ex Input:
Context: In 1954, while touring Australia, Link Information: none Answer: none

Ex Output:

How many people lived in Australia the year Hughes toured the country?