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: hile other distant relatives included Senator J.M. Howard and President William Howard Taft. Link Information: William Howard Taft (September 15, 1857 – March 8, 1930) was the 27th president of the United States (1909–1913) Answer: 4

Output: How many years was Taft president?


Input: Consider Input: Context: The park, with artificial lakes, was formerly part of the estate of a large stately home Wanstead House, built by Richard Child, 1st Earl Tylney Link Information: Wanstead House was a mansion built to replace the earlier Wanstead Hall. It was commissioned in 1715, completed in 1722  Answer: 1722


Output: When was the estate home built by Richard Child constructed?