Question: Which Republican House Representative was defeated by Thad Cochran for a Senate Chair in 2014?
Context: David Brumbaugh (December 2, 1960 – April 15, 2017) was an American businessman and Republican politician from Oklahoma.  Brumbaugh was a Representative in the Oklahoma House of Representatives for District 76, located in Broken Arrow, Oklahoma, and Chairman for the Oklahoma Republican House Caucus which serves as the majority party in the Oklahoma House of Representatives. Betty June "B.J." Nikkel was a state representative in the U.S. state of Colorado.  She served in House leadership as Republican House Majority Whip, the fourth highest-ranking leader in the Colorado House of Representatives.  Nikkel was appointed to the Colorado House of Representatives in January 2009 by vacancy committee to fill the vacancy caused by Kevin Lundberg's appointment to the Colorado State Senate.  She was sworn in on January 22, 2009. Mississippi was admitted to the Union on December 10, 1817, and elects senators to Class 1 and Class 2.  Its current senators are Republicans Thad Cochran and Roger Wicker.  As of January 1, 2015, 50 people (all of them men) have served as U.S. Senators from Mississippi. Rosalyn 'Roz' H. Baker (born September 20, 1946 in El Campo, Texas) is an American politician and a Democratic member of the Hawaii Senate since January 16, 2013 representing District 6.  Baker served consecutively from 2003 until 2013 in the District 5 seat, and previously served from 1993 until 1999, having served consecutively in the Hawaii State Legislature from 1989 until 1993 in the Hawaii House of Representatives.  Baker was appointed to the Senate in 1993 and currently serves as the Senate Chair of Commerce and Consumer Protection. William Thad Cochran (born December 7, 1937) is an American Republican politician.  He is the current senior United States Senator from Mississippi (the third most-senior Senator and the second most-senior Republican member), first elected to the Senate in 1978, and the Chairman of the Senate Appropriations Committee, which he had also chaired from 2005 to 2007.  He also chaired the Senate Agriculture Committee from 2003 to 2005.  Cochran won reelection to a seventh term in 2014, after defeating Chris McDaniel in an intense primary run-off election.  He is currently the dean of the Mississippi congressional delegation.  He is also on track to become the longest serving Republican Member of Congress if he serves until 2019, surpassing Joseph Gurney Cannon, former Speaker of the House, who served for 46 years. Joseph James Marzilli, Jr. (born May 8, 1958, in Stoneham, Massachusetts) was a member of the Massachusetts Senate.  Marzilli, a Democrat, was elected to the Senate in a special election in December 2007, representing the communities of Arlington, Billerica, Burlington, Lexington and Woburn partway through his ninth term in the Massachusetts House of Representatives, representing Arlington and West Medford.  He was the Senate Chair of the Committee on Tourism, Arts and Cultural Development.  He also served on the Committees on Children and Families, Mental Health and Substance Abuse and Veterans' Affairs.  He resigned from the chamber on November 14, 2008 after charges of sexual harassment. Christopher Brian "Chris" McDaniel (born June 28, 1972) is an American attorney, conservative commentator, and is a Republican politician in the Mississippi Senate representing the 42nd District, which encompasses part of South Mississippi. Guy J. Guzzone (born March 27, 1964) is an American politician who represents District 13 in the Maryland State Senate.  He was sworn into the State Senate on January 14, 2015, where he serves as a member of the Budget and Taxation Committee, as well as the Senate Chair of the Howard County Delegation.  He is a former member of the Maryland House of Delegates and former chairman of the Howard County Council. Taylor Francis Barras (born January 1957) is an accountant and banker from New Iberia, Louisiana, who is a Republican member of the Louisiana House of Representatives for District 48, based in Iberia Parish.  On January 11, 2016, as he began his third term in the chamber, Barras was elected House Speaker by his colleagues, who in what was considered a political upset on the second ballot rejected Representative Walt Leger, III, of New Orleans, the choice of incoming Democratic Governor John Bel Edwards.  Barras received fifty-six votes; Leger, forty-nine.  Since the days of Huey Pierce Long, Jr., legislators had confirmed the governor's choice for Speaker, but the Republican House majority instead elected Barras, the governor's wishes to the contrary. Erik Robert Fleming (born February 2, 1965) was a member of the Mississippi House of Representatives representing the 72nd District (which includes parts of Hinds and Madison counties) from 1999 to 2008.  He was the Democratic nominee for one of the state's two U.S. Senate seats.  He faced incumbent Republican Thad Cochran in the November 4, 2008 general election, and was defeated.  Erik is now Director of Policy with the Mississippi chapter of the American Civil Liberties Union (ACLU) and continues to advocate for the citizens of Mississippi.
Answer: Chris McDaniel