Generate a correct and concise answer for the question based on the words in the context.

[Q]: Context : John J. Hoover was a billiard hall owner hanged by vigilantes on April 28, 1880, for the unprovoked murder of a townsman in Fairplay in Park County in central Colorado. 
Question : For what crime was John J. Hoover prosecuted?
[A]: murder


[Q]: Context : Alfred Verhulst was a Brigadier General in the United States Air Force. 
Question : Which armed forces did Alfred Verhulst serve?
[A]: United States Air Force


[Q]: Context : Heike Makatsch (born 13 August 1971) is a German actress and singer. 
Question : What kind of  occupation does Heike Makatsch have?
[A]:
singer