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: 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
[A]: How long did the Battle of the Paracel Island last for?


[Q]: Context: Karel Bossart was born on February 9, 1904 in Antwerp, Belgium. Link Information: The earliest mention of Antwerp dates from the 4th century.

In the 4th century Answer: 17
[A]: How old is the city where Bossart was born?


[Q]: Context: He was chairman of the International Federation for Equestrian Sports Eventing Committee from 2000 to 2009, and also served as chair of Equestrian New South Wales and Equestrian Australia. Link Information: none Answer: none
[A]:
Which organization did Wayne serve as chairman longer?


