Question: What caucus is the current Representative from Texas's 6th congressional district a member of?

full_context: Document 1: Ron Paul: Ronald Ernest Paul (born August 20, 1935) is an American author, physician, and former politician. He was the U.S. Representative for Texas' 14th and 22nd congressional districts. He represented the 22nd congressional district from 1976 to 1977 and from 1979 to 1985, and then represented the 14th congressional district, which included Galveston, from 1997 to 2013. On three occasions, he sought the presidency of the United States: as the Libertarian Party nominee in 1988 and as a candidate in the Republican primaries of 2008 and 2012. Paul is a critic of the federal government's fiscal policies, especially the existence of the Federal Reserve and the tax policy, as well as the military–industrial complex, and the War on Drugs. Paul has also been a vocal critic of mass surveillance policies such as the USA PATRIOT Act and the NSA surveillance programs. Paul was the first chairman of the conservative PAC Citizens for a Sound Economy and has been characterized as the "intellectual godfather" of the Tea Party movement.
Document 2: Fort Worth, Texas: Fort Worth is the 16th-largest city in the United States and the fifth-largest city in the state of Texas. The city is in North Central Texas and covers nearly 350 sqmi in the counties of Denton, Parker, Wise, and Tarrant, of which it is the county seat. According to the 2016 census estimates, Fort Worth's population is 854,113. The city is the second-largest in the Dallas–Fort Worth–Arlington metropolitan area (the "DFW Metroplex").
Document 3: Steve Stockman: Stephen Ernest "Steve" Stockman (born November 14, 1956) is an American politician and member of the Republican Party. He served as the U.S. Representative for Texas's 9th congressional district from 1995 to 1997 and for Texas's 36th congressional district from 2013 to 2015. Stockman ran in the 2014 election for the United States Senate but lost the Republican primary to incumbent Senator John Cornyn.
Document 4: Joe Barton: Joe Linus Barton (born September 15, 1949) is a Republican politician, representing  's 6 congressional district () in the U.S. House of Representatives since 1985, and a member of the Tea Party Caucus. The district includes Arlington, part of Fort Worth, and several small towns and rural areas south of the Dallas–Fort Worth Metroplex. Following the 2014 primary defeat of Ralph Hall, Barton became the dean of the Texas congressional delegation. Barton came to national prominence after telling a citizen at a town hall meeting to "shut up", although the citizen later claimed he deserved it.
Document 5: Texas's 8th congressional district: Texas District 8 of the United States House of Representatives is a Congressional district that includes Montgomery County and Walker County. It includes much of the northern outlying areas of metro Houston. The current Representative from District 8 is Kevin Brady and has been since 1997. For the 2014 election cycle Craig McMichael, a veteran of the Marine Corps, and network engineer had challenged and lost to incumbent Kevin Brady in the Republican Primary. In the 2014 General Election, Brady faced off against the Libertarian Party candidate, Ken Petty of Spring, Texas, who won his nomination in the Libertarian District Convention. No Democrat ran. In the 2016 election, the 20-year incumbent was challenged by 3 challengers: Andre Dean, Craig McMichael, and Steve Toth. As of August 2017, Brady is expected to face Democrat Steven David in the 2018 election as well as Independent candidate Todd Carlton. David is the first Democrat to challenge Brady since the 2012 election.
Document 6: Texas's 27th congressional district: Texas District 27 of the United States House of Representatives is a Congressional district that serves the coastal bend of Texas' Gulf Coast consisting of Corpus Christi and Victoria up to Bastrop County near Austin and Wharton County near Houston. The current Representative is Republican Blake Farenthold.
Document 7: John Boehner: John Andrew Boehner ( ; born November 17 , 1949) is an American politician who served as the 53rd Speaker of the United States House of Representatives from 2011 to 2015. A member of the Republican Party, Boehner was the U.S. Representative from Ohio 's 8 congressional district , serving from 1991 to 2015. The district included several rural and suburban areas near Cincinnati and Dayton.
Document 8: Dallas: Dallas ( ) is a city in the U.S. state of Texas. It is the most populous city in the Dallas–Fort Worth metroplex, which is the fourth most populous metropolitan area in the United States. The city's population ranks ninth in the U.S. and third in Texas after Houston and San Antonio. The city's prominence arose from its historical importance as a center for the oil and cotton industries, and its position along numerous railroad lines. The bulk of the city is in Dallas County, of which it is the county seat; however, sections of the city are located in Collin, Denton, Kaufman, and Rockwall counties. According to the 2010 United States Census, the city had a population of 1,197,816. The United States Census Bureau's estimate for the city's population increased to 1,317,929 as of July 1, 2016.
Document 9: Newt Gingrich: Newton Leroy Gingrich ( ; born Newton Leroy McPherson; June 17, 1943) is an American politician and author from the state of Georgia who served as the 50th Speaker of the United States House of Representatives from 1995 to 1999. He represented Georgia's 6th congressional district as a Republican from 1979 until his resignation in 1999. In 2012, Gingrich was a candidate for the Republican Party presidential nomination.
Document 10: Texas Patriots PAC: Texas Patriots PAC is a Super PAC based in The Woodlands in southeastern Texas. The group gained national attention when it hosted a Republican presidential debate in November 2011 between candidates Herman Cain and Newt Gingrich. The debate was conducted in the "Lincoln-Douglas" style, which Gingrich then went on to make a central theme of his campaign, promising to challenge President Obama to seven "Lincoln-Douglas" style debates, at three hours each, should he win the GOP nomination.
Document 11: Texas' 19th congressional district: Texas' Nineteenth Congressional District of the United States House of Representatives is a Congressional district that serves the upper midwestern portion of the state of Texas The district includes portions of the State from Lubbock to Abilene. The current Representative from the 19th District is Republican Jodey Arrington.
Document 12: Texas's 6th congressional district: Texas District 6 of the United States House of Representatives is a Congressional district that serves an area including four counties to the south of the Dallas/Fort Worth area plus the southeast corner of Tarrant County. As of the 2000 census, District 6 represents 651,620 people. The current Representative from District 6 is Joe Barton and has been since 1985.
Document 13: Tea Party Caucus: The Tea Party Caucus (TPC) is a congressional caucus of conservative members of the Republican Party in the United States House of Representatives. The Caucus was founded in July 2010 by Minnesota Congresswoman Michele Bachmann who was its first chair. From July 2012 to April 2013 the Tea Party Caucus neither met nor posted news on its webpage, leading observers to describe it as "dead," "inactive," and "defunct." In April 2013, Mick Mulvaney of South Carolina filed paperwork to create a new Tea Party Caucus, but found that Bachmann intended to continue the caucus, starting with an event on April 25, 2013. On June 19, 2014, Tea Party Caucus member Steve Scalise of Louisiana was elected as the House Majority Whip. The Caucus was reconstituted in the 114th Congress in January 2015. Rep. Tim Huelskamp of Kansas became the chair in February 2015. Huelskamp lost party primary election in 2016. The Caucus is now largely inactive. Though the primary functions of the Caucus have varied from year to year, its members have promoted budget cuts, including significant cuts in non-defense spending and adherence to the movement's interpretation of the Constitution. The caucus's members have also advocated socially conservative legislation, supported the right to keep and bear arms, and promoted limited government.
Document 14: Haltom City, Texas: Haltom City is a city that is part of the Dallas-Fort Worth region and inside Tarrant County, Texas, United States. The population was 42,409 at the 2010 census. Haltom City is a inner suburb of Fort Worth, a principal city of the DFW Metroplex. The city is 6 miles from Downtown Fort Worth, 30 miles from the American Airlines Center in Dallas, and 20 miles from the Dallas/Fort Worth International Airport in Irving. Haltom is surrounded almost entirely by Fort Worth, North Richland Hills, Watauga, and Richland Hills.
Document 15: Republican Party of Texas: The Republican Party of Texas (RPT) is one of the two major political parties in the U.S. State of Texas. It is affiliated with the United States Republican Party. The State Chairman is Tom Mechler, an oil-and-gas executive from West Texas, and the Vice-Chairman is Amy Clark of Floresville. The RPT is headquartered in Downtown Austin. The RPT's mission is to promote a conservative philosophy of government by promoting conservative principles. The RPT is legally classified as a political action committee whose structure is determined by state law and by party rules not in conflict with state law.
ground_truth: Tea Party Caucus