Question: Matt Doheny ran in the Republican primary for New York's 21st congressional district, a congressional district for the United States House of Representatives that is currently represented by who?
Related documents: [0]  [DOC] The 21st Congressional District of New York is a congressional district for the United States House of Representatives that is currently represented by Republican Elise Stefanik. [END] 
[1]  [DOC] Matt Doheny is an American businessman, lawyer, and politician. He was a Republican candidate for the United States Congress in New York State in 2010 and 2012, losing narrowly on both occasions to Democrat Bill Owens. In 2014, he ran in the Republican primary for New York's 21st congressional district. Doheny lost the primary to Elise Stefanik, who subsequently went on to win the general election. [END] 
Answer: 
Republican Elise Stefanik
Republican Elise Stefanik