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: In 1592, during the war with Spain, an English fleet had captured a large Portuguese galleon off the Azores Link Information: Cornelis de Houtman (2 April 1565 1 September 1599) Answer: 27

Output: How old was de Houtman when the large Portuguese galleon was captured?

Input: Consider Input: Context: In 1972 he became the first Professor of Music at Sussex University Link Information: none Answer: none

Output: How many students were enrolled at Sussex University the year Mitchell became the first Professor of Music there?

Input: Consider Input: Context: The 2nd World Water Forum held in The Hague in March 2000 Link Information: takes place every three years. Answer: every three years
Output: How often is the World Water Forum held?