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.
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Question: Context: At the start of the Second World War before the US entered the war, there were a large number of American volunteers offering their services. No. 71 was formed at RAF Church Fenton on 19 September 1940 with Brewster Buffalos Link Information: Royal Air Force Church Fenton or RAF Church Fenton was a former Royal Air Force (RAF) station located south east of Tadcaster, North Yorkshire, England Answer: England

Answer: In what country was No. 71 formed?


Question: Context: . In 2007, he returned to Macedonia and signed with Macedonian First League Link Information: none Answer: none

Answer: How many teams were in Macedonian First League?


Question: Context: The more controversial effect, not seen until the follow-up story War Crimes, was turning Doctor Leslie Thompkins against Batman, when she allows Stephanie Brown to die from her wounds as Batman's "punishment" for including children in his war on crime Link Information: was turning Doctor Leslie Thompkins against Batman, when she allows Stephanie Brown to die from her wounds as Batman's "punishment" for including children in his war on crime Answer: Leslie Thompkins 

Answer:
Who had killed Stephanie Brown in War Crimes?