Question: In what year was the person born who defeated Speaker Pro Tem Shane Schoeller in the 2012 election?
Sentence (from "Donald Walker (politician)"): He had previously temporarily stepped down as mayor during foot surgery in 2008, during which Clifford Holmes served as mayor pro tem; after Walker's death, John Havrilla currently serves as mayor pro tem until the next mayor is elected in November elections.
Relevant evidence: No