Question: The 2000 United States Senate election in Nevada was held on which date, Republican nominee John Eric Ensign won the open seat, an American veterinarian and former politician based in Las Vegas, Nevada?

Context paragraphs:
United States Senate election in Kansas, 2010: The 2010 United States Senate election in Kansas took place on November 2, 2010 alongside other elections to the United States Senate in other states as well as elections to the United States House of Representatives and various state and local elections.  Incumbent Republican U.S. Senator Sam Brownback decided to retire to run for Governor of Kansas, instead of seeking a third term.  Republican nominee Jerry Moran won the open seat.

United States Senate election in Missouri, 2010: The 2010 United States Senate election in Missouri took place on November 2, 2010 alongside 36 other elections to the United States Senate in other states as well as elections to the United States House of Representatives and various state and local elections.  Primary elections were held on August 3, 2010.  Incumbent Republican U.S. Senator Kit Bond decided to retire instead of seeking a fifth term.  Republican nominee Roy Blunt won the open seat.

United States Senate election in Nevada, 2000: The 2000 United States Senate election in Nevada was held on November 7, 2000.  Incumbent Democrat Richard Bryan decided to retire, instead of seeking a third term.  Republican nominee John Ensign won the open seat.

United States Senate election in Kentucky, 2010: The 2010 United States Senate election in Kentucky took place on November 2, 2010 alongside other elections to the United States Senate in other states as well as elections to the United States House of Representatives and various state and local elections.  Primaries for each respective party were held on May 18, 2010.  Incumbent Republican U.S. Senator Jim Bunning decided to retire instead of seeking a third term.  Republican nominee Rand Paul won the open seat.

United States Senate election in Idaho, 1992: The 1992 United States Senate election in Idaho took place on November 3, 1992, alongside other elections to the United States Senate in other states as well as elections to the United States House of Representatives and various state and local elections.  Incumbent Republican U.S. Senator Steve Symms decided to retire instead of seeking a third term.  Republican nominee Dirk Kempthorne won the open seat.

United States Senate election in Nevada, 1974: The 1974 United States Senate election in Nevada was held on November 4, 1974.  Incumbent Democratic U.S. Senator Alan Bible decided to retire instead of seeking a fourth full term.  Republican nominee Paul Laxalt won the open seat.

John Ensign: John Eric Ensign (born March 25, 1958) is an American veterinarian and former politician based in Las Vegas, Nevada.  He was a Congressman and United States Senator from Nevada, serving in the latter seat from January 2001 until May 2011.  He resigned amid a Senate Ethics Committee investigation.

United States Senate election in Ohio, 1994: The 1994 United States Senate election in Ohio was held in 1994.  Incumbent Democratic U.S Senator Howard Metzenbaum decided to retire after 19 years in the United States Senate.  Republican nominee Mike DeWine won the open seat against Democratic nominee Joel Hyatt.  Independent Joseph Slovenec performed very well.

United States Senate election in Idaho, 1998: The 1998 United States Senate election in Idaho took place on November 3, 1998 alongside other elections to the United States Senate in other states as well as elections to the United States House of Representatives and various state and local elections.  Incumbent Republican U.S. Senator Dirk Kempthorne decided to retire after one term to run for governor.  Republican nominee Mike Crapo won the open seat.

United States Senate election in Indiana, 2010: The 2010 United States Senate election in Indiana took place on November 2, 2010, alongside 33 other elections to the United States Senate in other states and elections to the United States House of Representatives and various state and local elections to fill Indiana's class III United States Senate seat.  Incumbent Democratic U.S. Senator Evan Bayh decided in February 2010 to retire instead of seeking a third term shortly after former U.S. Senator Dan Coats announced his candidacy for Bayh's contested seat.  No Democratic candidate submitted enough signatures by the deadline to run, leading Democratic officials to choose U.S. Congressman Brad Ellsworth to be the nominee.  The Libertarian Party nominated YMCA instructor Rebecca Sink-Burris, who had previously run against Evan Bayh in the United States Senate election in Indiana, 1998 but with less success than in this election.  Republican nominee and former U.S. Senator Dan Coats won the open seat.

Supporting paragraphs: United States Senate election in Nevada, 2000 John Ensign
Answer: November 7, 2000