Question: In what year was the commonwealth heavyweight champion that beat the British professional boxer with scorecards reading 115-114, 114-115, 115-114 born? 
Sentence (from "Dereck Chisora"): He held the British and Commonwealth heavyweight titles from 2010 to 2011, the European heavyweight title from 2013 to 2014, and has challenged once for the WBC heavyweight title in 2012.
Relevant evidence: No