Title: Arizona's 9th congressional district
Content:  Arizona's 9th congressional district was created as a result of the 2010 Census. The first candidates ran in the 2012 House elections, and the first representative was seated for the 113th Congress in 2013. The district is located entirely within Maricopa County. Most of the old 5th district became the new 9th; 60 percent of the 9th's territory came from the old 5th. It is centered around Tempe and includes southern Scottsdale, western Mesa, northwestern Chandler, and southern Phoenix including the Ahwatukee district. As of the 2012 general election, there were 344,770 registered voters. Of these, 118,077 (34.2%) were registered Republican, 107,123 (31.1%) were registered Democratic, 3,232 (0.9%) were registered Libertarian, and 761 (0.2%) were registered Green. A substantial number, 115,531 (33.5%) were independents. It 
Title: 2020 United States House of Representatives elections in Arizona
Content:  The 9th district is based in the Phoenix metro, and includes Tempe, southern Scottsdale, western Mesa, northwestern Chandler, and southern Phoenix, containing Ahwatukee and Camelback East. The incumbent is Democrat Greg Stanton, who was elected with 61.1% of the vote in 2018.
Title: Arizona's 9th legislative district
Content:  The district is represented for the 2021–2022 Legislative Session in the State Senate by Victoria Steele (D, Tucson) and in the House of Representatives by Pamela Hannley (D, Tucson) and Randall Friese (D, Tucson).
Title: 2020 United States House of Representatives elections in Arizona
Content: Irina Baroness von Behr, Republican candidate for Arizona's 9th congressional district in 2018 
Title: Arizona's 9th congressional district
Content:  Arizona began sending a ninth member to the House after the 2010 Census, the 2012 Congressional election, and the convening of the 113th Congress.
Title: 2018 United States House of Representatives elections in Arizona
Content:  The ninth district is based in suburban Phoenix and is centered around Tempe, and also includes portions of Chandler, Mesa, and Scottsdale. This district is moderately competitive with a PVI of D+4. Democrat Kyrsten Sinema was re-elected to a third term in 2016 with 60.89% of the vote. In 2018, Sinema did not seek reelection to the U.S. House, instead running for U.S. Senate in order to replace Jeff Flake. In 2018, this district was one of 36 Democratic-held House districts targeted by the National Republican Congressional Committee.
Title: Arizona's 29th legislative district
Content:  The district is represented for the 2021–2022 Legislative Session in the State Senate by Martín Quezada (D, Phoenix) and in the House of Representatives by Richard C. Andrade (D, Phoenix) and Cesar Chavez (D, Phoenix).
Title: Arizona's 9th legislative district
Content:  Arizona's 9th Legislative District is one of 30 in the state, located entirely in Pima County. As of 2021, there are 57 precincts in the district, with a total registered voter population of 141,913. The district has an overall population of 214,046.
Title: Arizona's 9th congressional district
Content:  split between liberal bastions such as Tempe (home to Arizona State University), strongly conservative portions of the East Valley, and more moderate Republicans in eastern and southern Phoenix. The district was one of seven across the United States whose winner was not declared on 2012 election night. Although Democratic candidate Kyrsten Sinema held a narrow lead over Republican candidate Vernon Parker, the number of provisional and absentee ballots to be counted significantly exceeded the margin between the two. Sinema was officially declared the winner on November 12, 2012. Sinema was easily reelected in both 2014 and 2016. Sinema gave up the seat to run for Senate in 2018 to replace retiring U.S. Senator Jeff Flake. Former Phoenix Mayor Greg Stanton was elected to succeed her.
Title: Arizona's 9th congressional district
Content:  have done so as well. On February 22, 2012, Republican Martin Sepulveda declared his candidacy for the 9th congressional district. Martin Sepulveda is a former Chandler City Councilman, a business owner, and a Commander in the United States Navy having served four tours in Afghanistan and Iraq. On March 3, 2012, Lieutenant Colonel Wendy Rogers (Ret.) announced her candidacy for the 9th congressional district. Rogers and husband Hal Kunen, along with children George and Emily, settled in Tempe in 1996, upon their retirement from the United States Air Force. Rogers is a Republican. Leah Campos Schandlbauer announced her candidacy March 26, 2012. She is a former CIA operations officer and a conservative Republican.

Question: who represents the arizona 9th district in the house?
Answer: Kyrsten Sinema.