Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

Q: Context : Albert Johnson Walker (born 1946) is a Canadian criminal serving a prison term for embezzlement and murder. 
Answer : murder

A: For what crime was Albert Johnson Walker prosecuted?
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Q: Context : The Roland JX-3P is a synthesizer produced by Roland Corporation of Japan in 1983. 
Answer : Roland Corporation

A: What studio produced Roland JX-3P?
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Q: Context : 3rd Battalion 1st Marines (3/1) is an infantry battalion in the United States Marine Corps based out of Camp Horno on Marine Corps Base Camp Pendleton, California. 
Answer : United States Marine Corps

A:
Which military did 3rd Battalion 1st Marines serve with?
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