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.

Input: Consider Input: Context: Davis sailed for San Francisco, California, around Cape Horn in 1852 Link Information:  By 1890, San Francisco's population approached 300,000 Answer: approached 300,000

Output: How many people lived in San Francisco the year Davis embarked on his journey to the city?


Input: Consider 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

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


Input: Consider Input: Context: In 1794, the army's fortunes improved when Jacques François Dugommier took command. Link Information: Jacques François Coquille named Dugommier (1 August 1738, Answer: 56


Output: How old was the man who took when he took command of the Army of the Eastern Pyrenees in 1794?