Question: Thad Cochran defeated a man in 2014 who represents what district in Mississippi?

full_context: Document 1: Jerry Moran: Gerald W. Moran (born May 29, 1954) is the junior United States Senator from Kansas and a member of the Republican Party. He served as Chairman of the National Republican Senatorial Committee for the 113th U.S. Congress, during which he led successful Republican efforts in United States Senate elections, 2014, producing the first Republican Senate majority since 2006. Previously, he served as a member of the United States House of Representatives, representing 2=nd
Document 2: Ronna Romney McDaniel: Ronna Romney McDaniel (born January 19, 1973) is an American political operative. A member of the Republican Party, she is the current chairwoman of the Republican National Committee, and former chairwoman of the Michigan Republican Party. A third generation politician, McDaniel is the granddaughter of George W. Romney and the niece of Mitt Romney.
Document 3: Jim Inhofe: James Mountain Inhofe ( ; born November 17, 1934) is the senior United States senator from Oklahoma and a member of the Republican Party. First elected to the Senate in 1994, he was the ranking member of the United States Senate Committee on Environment and Public Works (EPW) and was its chairman from 2003 to 2007, and again from January 2015 until January 2017. Inhofe served eight years as the United States representative for 2=nd
Document 4: Erik R. Fleming: 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.
Document 5: John Cornyn: John Cornyn III (born February 2, 1952) is an American politician, lawyer and the senior United States Senator from Texas, serving since 2002. He is a member of the Republican Party and the current Senate Majority Whip for the 115th Congress. Cornyn previously served as Chairman of the National Republican Senatorial Committee from 2007 to 2011.
Document 6: Charlie Ross (state senator): Charlie Ross is an American politician and attorney who lives in Brandon, Mississippi. He served as Senator from District 20 in the Mississippi Senate until 2007. District 20 comprises parts of Madison and Rankin Counties. Ross was first elected to the Senate in 1997 after serving as the representative from District 59 in the Mississippi House of Representatives. Prior to his legislative service, he served as the Chairman of the Rankin County Republican Executive Committee. In 2008, Ross ran for Congress in Mississippi's 3rd congressional district, but was defeated in the primary by Rankin County Republican Chairman Gregg Harper.
Document 7: Makani Christensen: Makani Christensen is a Democratic Party candidate for U.S. senator, representing Hawaii. He is the current chair of the Oʻ ahu Aha Moku Advisory Committee, of which advises the state of Hawaii. He is a combat Veteran of both Iraq and Afghanistan, and a graduate of the United States Naval Academy.
Document 8: Chris McDaniel: 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.
Document 9: Thad Cochran: 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.
Document 10: Tom Cole: Thomas Jeffery Cole (born April 28, 1949) is the U.S. Representative for Oklahoma 's 4 congressional district , serving since 2003. He is a member of the Republican Party. He is a Deputy Majority Whip. The chairman of the National Republican Congressional Committee (NRCC) from 2006 to 2008, he was, during his tenure, the fourth-ranking Republican leader in the House. As of 2015, Cole – a member of the Chickasaw Nation – is one of only two registered Native Americans in Congress (the other being fellow Oklahoman Markwayne Mullin).
Document 11: Mississippi Republican Party: The Mississippi Republican Party is the state affiliate of the United States Republican Party. The party chairman is Joe Nosef and is based in Jackson, Mississippi. The original Republican Party of Mississippi was founded following the American Civil War, the current incarnation of the Mississippi Republican Party was founded in 1956. The party would grow in popularity during the 1960s with wedge issues such as the 1964 Civil Rights Act, and today the party has the majority in the state.
Document 12: List of United States Senators from Mississippi: 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.
Document 13: John Thune: John Randolph Thune (born January 7, 1961) is an American politician and senior United States Senator from South Dakota, a member of the Republican Party. He previously served as a United States Representative for South Dakota 's at-large congressional  . He became South Dakota's senior senator with the retirement of Tim Johnson in 2015. He is South Dakota's senior senator, having served as the GOP's Chief Deputy Whip in 2006, chairman of the Republican Policy Committee in June 2009, and Republican Conference Chairman in 2011, the third-ranking position in the Senate. He has worked in politics and civic organizations since completing his MBA graduate degree. He is also the current dean of South Dakota's congressional delegation.
Document 14: Jim Talent: James Matthes Talent (born October 18, 1956) is an American politician and former U.S. Senator from Missouri. He is a Republican and resided in the St. Louis area while serving in elected office. He identifies with the conservative wing of the Republican party, being outspoken on judicial appointments, abortion, flag burning, and defense issues.
Document 15: Chris Koster: Chris Koster (born August 31, 1964) is an American lawyer who served as the 41st Attorney General of Missouri from 2009 to 2017. Before he was elected attorney general, he had served in the Missouri Senate since 2005 representing the 31st Senatorial District as a Republican until August 1, 2007, when he switched to the Democratic Party.
ground_truth: 42nd District