Teacher:Generate a correct and concise answer for the question based on the words in the context.
Teacher: Now, understand the problem? Solve this instance: 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 : Which crime John J. Hoover is considered to have commited?
Student:
murder