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

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?
murder

Context : The .30-06 Springfield cartridge (pronounced ``thirty-aught-six'' or ``thirty-oh-six''), 7.62×63mm in metric notation and called ``.30 Gov't '06'' by Winchester, was introduced to the United States Army in 1906 and later standardized; it remained in use until the early 1980s. 
Question : What year did .30-06 Springfield come into use?
1906

Context : Duchess of Idaho is a musical romantic comedy produced in 1950 by Metro-Goldwyn-Mayer. 
Question : What production company was involved in Duchess of Idaho?

Metro-Goldwyn-Mayer