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.

Example Input: Context: She previously taught at the London School of Economics, New York University, and the University of Chicago. Link Information: 

The London School of Economics (officially the London School of Economics and Political Science, often referred to as LSE) is a public research university located in London, England Answer: London, England
Example Output: What cities had Chen taught in before she took the job as the Malcolm K. Brachman Professor of Economics at Yale?

Example Input: Context: Under Gruden, the Raiders posted consecutive 8–8 seasons in 1998 and 1999, and leapt out of last place in the AFC West. Link Information: none Answer: none
Example Output: Who won the AFC West in the years that the Raiders went 8-8 under Gruden?

Example Input: Context: The castle was built in the 13th century by Přemysl Otakar II or his son Václav II to guard royal paths and local mines. Link Information: Ottokar II (; c. 1233 Answer: 38
Example Output:
What is the age difference between the father and son who may have built Hauenštejn castle?