Question: The 2009 Minneapolis mayoral election was held on November 3, 2009 to elect the Mayor of Minneapolis for a four-year term, incumbent R. T. Rybak won re-election for a third term, Rybak is an American politician, journalist, businessperson, and activist who served as which number mayor of Minneapolis?
Sentence (from "Minneapolis mayoral election, 2009"): Incumbent R. T. Rybak won re-election for a third term in the first round with 73.6% of the vote.
Relevant evidence: No