Question: In the 2004 United States senate election, re-election was won by what American plitician who was first elected in 1998, defeating what three-term Republican incumbent?

Passages:
The 1942 United States Senate election in Montana took place on November 3, 1942.  Incumbent United States Senator James E. Murray, who was first elected to the Senate in a special election in 1934 and was re-elected in 1936, ran for re-election.  Following his victory in a competitive Democratic primary, Murray advanced to the general election, where he was opposed by former United States Attorney for the District of Montana Wellington D. Rankin, the Republican nominee and brother of representative Jeannette Rankin.  In a closely fought election, Murray narrowly defeated Rankin to win re-election to his third term and his second full term in the Senate. The 1948 United States Senate election in Montana took place on November 2, 1948.  Incumbent United States Senator James E. Murray, who was first elected to the Senate in a special election in 1934 and was re-elected in 1936 and 1942, ran for re-election.  After winning the Democratic primary, he faced Tom J. Davis, an attorney and the Republican nominee, in the general election.  Following a narrow re-election in 1936, Murray significantly expanded his margin of victory and comfortably won re-election over Davis, winning his fourth term and his third full term in the Senate. The 2004 United States Senate election in New York took place on November 2, 2004 along with elections to the United States Senate in other states as well as the presidential election, elections to the United States House of Representatives and various state and local elections.  Incumbent Democratic U.S. Senator Chuck Schumer won re-election to a second term with 71.2% of the vote, a then-record margin of victory for any statewide candidate in New York's history.  The record was surpassed by Kirsten Gillibrand when she won re-election to a first full term in 2012 with 72% of the vote. The 1928 United States Senate election in Montana took place on November 6, 1928.  Incumbent United States Senator Burton K. Wheeler, who was first elected to the Senate in 1922, ran for re-election.  After successfully defeating several challengers in the Democratic primary, Wheeler advanced to the general election, where he faced Republican nominee Joseph M. Dixon, the former Governor of Montana who had previously served in the United States Senate from 1907 to 1913.  Though the election was closer than Wheeler's first election, he still managed to defeat Dixon to win his second term in the Senate. Al Doty (born October 19, 1945) is a Minnesota politician and a former member of the Minnesota House of Representatives who represented District 12B, which includes portions of Crow Wing and Morrison counties.  A Democrat, he was first elected in 2006 when he defeated three-term Republican incumbent Greg Blaine.  He was re-elected in 2008, but was unseated by Republican Mike LeMieur in the 2010 general election. Charles Ellis Schumer ( ; born November 23, 1950) is an American politician, the senior United States senator from New York and a member of the Democratic Party.  First elected in 1998, he defeated three-term Republican incumbent Al D'Amato 55% to 44%.  Schumer was re-elected in 2004 with 71% of the vote, in 2010 with 66% of the vote, and in 2016 with 70% of the vote. The 2004 United States Senate election in Iowa was held on November 2, 2004.  Incumbent Republican United States Senator Chuck Grassley ran for re-election to a fifth term in the United States Senate.  Grassley and former State Senator Arthur A. Small won the Republican and Democratic primaries, respectively, unopposed, and faced each other in the general election.  Though this election coincided with the highly competitive presidential election, Grassley was in little danger of losing his seat and defeated Small handily. The 1954 United States Senate election in Montana took place on November 2, 1954.  Incumbent United States Senator James E. Murray, who was first elected to the Senate in a special election in 1934 and was re-elected in 1936, 1942, and 1948, ran for re-election.  After winning the Democratic primary against trivial opponents, he advanced to the general election, where he was opposed by Wesley A. D'Ewart, the Republican nominee and the United States Congressman from Montana's 2nd congressional district.  A contentious and close election ensued, but ultimately, Murray was able to narrowly win re-election over D'Ewart to a final term in the Senate. George McGovern, a Democratic Party politician from South Dakota, was first elected to the United States House of Representatives to represent South Dakota's 1st congressional district in 1956.  He was re-elected in 1958, before making an unsuccessful run for the United States Senate in 1960 against Republican incumbent Karl Earl Mundt.  After serving in the John F. Kennedy administration as director of the Food for Peace program, McGovern ran again for the Senate and narrowly prevailed over appointed Senator Joseph H. Bottum.  In 1968, McGovern unsuccessfully sought the Democratic Party's presidential nomination at the Democratic National Convention and was re-elected to the Senate over former Governor of South Dakota Archie M. Gubbrud.  In 1972, McGovern was successful in his campaign for the Democratic presidential nomination, but lost the election in a landslide to incumbent President Richard Nixon.  McGovern was re-elected to the Senate in 1974 over Vietnam War veteran Leo K. Thorsness, but lost re-election in 1980 to then-U.S. Representative James Abdnor.  McGovern made a final unsuccessful run for president in United States presidential election, 1984. The 2004 United States Senate election in California took place on November 2, 2004 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 Democratic U.S. Senator Barbara Boxer ran for re-election and defeated Republican former Secretary of State Bill Jones.  Boxer's 6.96 million votes set the all-time record for the most votes cast for one candidate in one state in one election, although it was surpassed by Senator Dianne Feinstein's 7.75 million votes in 2012.

Supporting sentences:
 Incumbent Democratic U.S. Senator Chuck Schumer won re-election to a second term with 71.2% of the vote, a then-record margin of victory for any statewide candidate in New York's history. Charles Ellis Schumer ( ; born November 23, 1950) is an American politician, the senior United States senator from New York and a member of the Democratic Party.  First elected in 1998, he defeated three-term Republican incumbent Al D'Amato 55% to 44%.