Question: Owen Martin O'Hagan was a former member of an army which emerged in what year?
Sentence (from "Buffalo mayoral election, 2005"): After incumbent Anthony M. Masiello, a Democrat, announced on April 29, 2005 that he would not seek a fourth term as mayor, a field of several Democratic candidates emerged, from which New York State Senator Byron Brown emerged victorious in the primary election.
Relevant evidence: No