Question: The 2012 United States presidential election in Iowa took place on November 6, 2012, former Massachusetts Governor Mitt Romney, had his running mate, Congressman Paul Ryan, an American politician who is which ordinal number, and current Speaker of the United States House of Representatives?
Sentence (from "Guam Republican caucuses, 2012"): The 2012 Guam Republican caucuses were held on March 10, 2012.
Relevant evidence: No