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.

Ex Input:
Context: Ross became an assistant professor at St. Louis University in 1935 Link Information: Eric Temple Bell (February 7, 1883 December 21, 1960) Answer: 52

Ex Output:
How old was Eric Temple Bell when Ross was an assistant professor at St. Louis University?

Ex Input:
Context: the Official Airline Guide (OAG) listed up to eight round trip flights a day operated by Time Air nonstop between Lethbridge and Calgary with Fokker F27 Friendship Link Information: the airline was operating larger Dash7 turboprops on the Lethbridge-Calgary route Answer: Dash 7

Ex Output:
How many more passengers could fly on the Dash 7 compared with the Fokker F27 Friendship?

Ex Input:
Context: then enters the town of Eagle Mountain. The highway runs through the town and runs close to Link Information: none Answer: none

Ex Output:
How deep is the body of water in Eagle Mountain?