Task: Question Generation
Input (English): Context : Henry Colin Campbell (died April 18, 1930), aka The Torch Murderer, was executed by the State of New Jersey for the murder of Mildred Mowry, whom he met through a personal ad placed with a ``matrimonial agency.'' 
Subject : Henry Colin Campbell 
Relation : convicted of
Output (English): Which crime Henry Colin Campbell is considered to have commited?