Question: Mike Gibbons won the middleweight championship after the previous champion was found murdered where?
Sentence (from "Stanley Ketchel"): Stanisław Kiecal (September 14, 1886 – October 15, 1910), better known in the boxing world as Stanley Ketchel, was a Polish American professional boxer who became one of the greatest World Middleweight Champions in history.
Relevant evidence: No