Question: During United States Senate election in Michigan, 2012, the Republican party nominated this politician who represented Michigan's which district from in 1995?
Sentence (from "United States Senate election in Indiana, 2010"): Incumbent Democratic U.S. Senator Evan Bayh decided in February 2010 to retire instead of seeking a third term shortly after former U.S. Senator Dan Coats announced his candidacy for Bayh's contested seat.
Relevant evidence: No