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: In 586 Link Information: none Answer: none
Example Output: How many more troops were at the fight in 591 than the one in 586?

Example Input: Context: in 1959, through which he began working at the National Institutes of Health Link Information: in 1959, through which he began working at the National Institutes of Health Answer: late 1870s
Example Output: What year was the organization established that Metzger began work at in 1959?

Example Input: Context: Mayer claimed his first victories over United States Army Air Forces (USAAF) four-engine bombers when he shot down two B-17 Flying Fortresses and a B-24 Liberator on 23 November 1942. Link Information: From its introduction in 1938, the B-17 Flying Fortress evolved through numerous design advances Answer: Boeing B-17 Flying Fortress
Example Output:
Of the two types of planes Egon Mayer shot down in November of 1942, which plane was put into service first?