Question: Since which year did this U.S. Representative serve for Minnesota, who faced David Snyder in the 2016 election?
Sentence (from "Lindsey Graham presidential campaign, 2016"): The 2016 presidential campaign of Lindsey Graham, the longtime senior United States Senator from South Carolina, and former U.S. Representative for South Carolina's 3rd congressional district was announced on June 1, 2015.
Relevant evidence: No