Question: Alice Costandina "Dina" Titus is considered to be what?

full_context: Document 1: Nancy Pelosi: Nancy Patricia D'Alesandro Pelosi ( ; born March 26, 1940) is an American politician who currently serves as the Minority Leader of the United States House of Representatives, representing California's 12th congressional district. She previously served as the 52nd House Speaker from 2007 to 2011, the only woman to do so. As Speaker, she attained the highest rank of any female politician in American history.
Document 2: Dina Titus: Alice Costandina "Dina" Titus (born May 23, 1950) is an American politician who has been the United States Representative for 2=nd
Document 3: Louise Slaughter: Dorothy Louise McIntosh Slaughter (born August 14, 1929) has been the United States representative for New York's 25th congressional district since 1987. She is a member of the Democratic Party. The district, numbered as the 30th District from 1987 to 1993 and the 28th District from 1993 to 2013, is based in Rochester and includes most of surrounding Monroe County. She was the Chairwoman of the House Rules Committee from 2007 until 2011, and has served as ranking minority member of the Committee since 2011, a post she also held from 2005 to 2007. Since the retirement of Charles Rangel, Slaughter has risen to dean of the New York House of Representatives delegation. Chuck Schumer is the current dean of New York's congressional delegation as he has served in Congress since 1981.
Document 4: United States Senate election in Nevada, 2012: The 2012 United States Senate election in Nevada was held on Tuesday, November 6, 2012, alongside 33 other elections to the United States Senate in other states, as well as elections to the United States House of Representatives, and the 2012 United States presidential election. The primary election was held June 12, 2012. Incumbent Republican U.S. Senator Dean Heller, who was recently appointed to this seat left vacant by resigning U.S. Senator John Ensign, was narrowly elected to his first full term over Congresswoman Shelley Berkley.
Document 5: Tim Walz: Timothy James Walz (born April 6, 1964) is an American politician and member of the Minnesota Democratic–Farmer–Labor Party who has served as the U.S. Representative for 2=nd
Document 6: Sharron Angle: Sharron Elaine Angle (born Sharron Elaine Ott; July 26, 1949) is an American politician who served as a Republican member of the Nevada Assembly from 1999 to 2007. She ran unsuccessfully as the 2010 Republican nominee for the U.S. Senate seat in Nevada, garnering 45 percent of the vote. On September 15, 2013 she was unanimously elected the fifth President of the National Federation of Republican Assemblies, and resigned in 2016 to run again for the Nevada U.S. Senator position being vacated by Harry Reid but failed to win the Republican primary.
Document 7: Michigan gubernatorial election, 2006: The Michigan gubernatorial election of 2006 was one of the 36 U.S. gubernatorial elections held November 7, 2006. Incumbent Democratic Governor Jennifer Granholm was re-elected over Republican businessman Dick DeVos and three minor party candidates. Granholm was re-elected with 56% of the vote.
Document 8: California gubernatorial election, 2006: The 2006 California gubernatorial election occurred on November 7, 2006. The primary elections took place on June 6, 2006. The incumbent Republican Governor, Arnold Schwarzenegger, won re election for his first full term. His main opponent was California State Treasurer Phil Angelides, the California Democratic Party nominee. Peter Camejo was the California Green Party nominee, Janice Jordan was the Peace and Freedom Party nominee, Art Olivier was the California Libertarian Party nominee, and Edward C. Noonan was the California American Independent Party nominee.
Document 9: Robert List: Robert Frank "Bob" List (born September 1, 1936) is an American attorney and politician. He served as the 24th Governor of Nevada from 1979 to 1983. He was raised in Exeter, California. He served as the Carson City District Attorney and the Nevada Attorney General before becoming governor. Currently List practices law in Las Vegas with the law firm Kolesar & Leatham, Chtd. He was the last Governor to serve from outside Clark County until Jim Gibbons' election. After his term ended, he became a supporter of the Yucca Mountain nuclear waste repository. List was defeated for re-election in 1982 by Nevada Attorney General Richard Bryan. He is a member of the Republican Party.
Document 10: United States Senate election in New Jersey, 2006: The 2006 United States Senate election in New Jersey was held on November 7, 2006. Incumbent Democratic U.S. Senator Bob Menendez was elected to represent New Jersey in the United States Senate for a six-year term which ended in January 2013. The seat was previously held by Democratic Governor of New Jersey Jon Corzine. After he stepped down from his Senate seat and was sworn in Governor, Corzine appointed Rep. Menendez, who was sworn in on January 18, 2006. Menendez was challenged by Republican Thomas Kean, Jr. and seven other candidates. Filing for the primary closed on April 10, 2006. The primary election was held on June 6, 2006. Menendez became the first Hispanic to hold a U.S. Senate seat from New Jersey, and was the first Latino elected to statewide office in the state.
Document 11: Nevada gubernatorial election, 2006: The 2006 Nevada gubernatorial election was held on November 7, 2006. Incumbent Governor Kenny Guinn could not run due to term limits. Republican Congressman Jim Gibbons defeated Democratic State Senator Dina Titus.
Document 12: Jaime Herrera Beutler: Jaime Lynn Herrera Beutler (born November 3, 1978) is an American politician, who has served as the U.S. Representative for Washington 's 3 congressional district since January 2011. She is a member of the Republican Party, and is the second youngest female U.S. Representative. She is a former Senior Legislative Aide for U.S. Congresswoman Cathy McMorris Rodgers (R-Spokane) and a former state representative for the 18th Legislative District in Washington.
Document 13: Jackie Walorski: Jacqueline R. Walorski (born August 13, 1963) is an American politician who has been the U.S. Representative for Indiana's 2nd congressional district since 2013. She is a member of the Republican Party, and she was a member of the Indiana House of Representatives, representing Indiana's 21st district, from 2005 to 2010. In 2010, Walorski won the Republican nomination for Indiana's 2nd congressional district, but narrowly lost in the general election to Democratic incumbent Joe Donnelly. In 2012, Walorski went on to win the open seat.
Document 14: Kirsten Gillibrand: Kirsten Elizabeth Gillibrand (née Rutnik; ; born December 9, 1966) is an American attorney and politician who since 2009, has served as the junior United States Senator from New York, alongside the Democratic Leader of the United States Senate, Chuck Schumer. Before the Senate, she served for two years (2007-09) in the United States House of Representatives, representing New York's 20th congressional district. She is a member of the Democratic Party.
Document 15: Donald Norcross: Donald W. Norcross (born December 13, 1958) is the current U.S. Representative for 2=nd
ground_truth: American politician