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: The town continued to flourish under the Seljuk Empire, when the Seljuk ruler Ahmad Sanjar built the city a new wall Link Information: none Answer: none

Output: What did Ahmad Sanjar build the wall out of?


Input: Consider Input: Context: The text was first described by Stanley A. Cook in 1903 Link Information: Stanley Arthur Cook (12 April 1873 – 26 September 1949)  Answer: 12 April 1873 

Output: When was the first person to describe the Nash Papyrus text born?


Input: Consider Input: Context: In 1988 he returned to San Francisco Link Information: none Answer: none


Output: Was the crime rate in London higher than San Francisco the year Mitchison returned to San Francisco?