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.

[Q]: 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 Dash 7 turboprops on the Lethbridge-Calgary route Answer: Dash 7
[A]: How many more passengers could fly on the Dash 7 compared with the Fokker F27 Friendship?


[Q]: Context: The adultery occurred at Haddington Abbey and Crichton Castle. Link Information: In the late 14th century John de Crichton (d.1406) built a tower house here as his family residence. Answer: 1406
[A]: When was the castle where the adultry of Jean Gordon's husband occured built?


[Q]: Context: captured during Morgan's Raid in 1863, including Col. Basil W. Duke. Link Information: Basil Wilson Duke (May 28, 1838  Answer: 25
[A]:
How old was Basil Duke when he was captured during Morgan's Raid?