Question: Which Governor of Alabama ran against Bob Riley, a Republican, and Libertarian nominee John Sophocleus in the Alabama gubernatorial election, 2002?
Context: The U.S. state of Alabama held its 2002 election for governor on November 5.  The race pitted incumbent Governor Don Siegelman, a Democrat, against Representative Bob Riley, a Republican, and Libertarian nominee John Sophocleus. The Indiana gubernatorial election of 2008 was held on November 4, 2008.  Incumbent Republican nominee Mitch Daniels (Lt. Gov. nominee Becky Skillman) was challenged by Democratic nominee Jill Long Thompson (Lt. Gov. nominee Dennie Oxley) and Libertarian nominee Andy Horning (Lt. Gov. nominee Lisa Kelly).  Governor Daniels easily won reelection and defeated the Democratic candidate by over 17 points. Troy Robin King (born August 22, 1968) is the former attorney general of the state of Alabama, United States.  He previously served as an assistant attorney general and a legal adviser to both Republican governors Bob Riley and Fob James.  King was appointed by Governor Bob Riley in 2004, when William Pryor resigned to accept a federal judgeship.  He then defeated Mobile County District Attorney John Tyson, Jr., in the 2006 election by a 54-46% margin.  He sought a second term but was defeated in the Republican primary, securing 40 percent of the vote to the roughly 60 percent by Luther Strange. The 1986 Alabama gubernatorial election saw the election of Republican H. Guy Hunt over Democrat Bill Baxley.  In state politics, this election is largely seen as a realigning election since Hunt was the first Republican to be elected Governor since Reconstruction.  In March 1986, incumbent George Wallace announced that he would not seek a fifth term as governor, ending an era in Alabama politics. The 1902 Alabama gubernatorial election took place on November 2, 1902, in order to elect the Governor of Alabama.  It was the first Alabama gubernatorial election in which the governor was elected for a four-year term; prior to 1902 the governor was elected to a two-year term.  Incumbent Democrat William D. Jelks was running for election to his first full term; he had succeeded William J. Samford upon Samford's death a year prior.  His Republican opponent, John A. W. Smith, was the son of former Alabama governor William Hugh Smith. The 1872 Alabama gubernatorial election took place on November 5, 1872 in order to elect the Governor of Alabama.  Republican David P. Lewis, a former Confederate Congressman, won the election, which would mark the last time until 1986 in which a Republican was elected Governor of Alabama. Donald Eugene "Don" Siegelman (born February 24, 1946) is a former American politician and lawyer who has held numerous offices in the state of Alabama.  He served one term as the 51st Governor of Alabama from 1999 to 2003.  Siegelman was the last member of the Democratic Party, as well as the only Roman Catholic, to hold the office of governor.  He is the only person in the history of Alabama to be elected to serve in all four of the top statewide elected offices: Secretary of State, Attorney General, Lieutenant Governor and Governor.  He served in Alabama politics for 26 years. The 2010 Alabama gubernatorial election took place on November 2, 2010.  Republican Governor Bob Riley was term limited and unable to seek re-election.  The party primaries were held on June 1, 2010, with a Republican runoff on July 13.  In the general election, Republican Robert J. Bentley defeated Democrat Ron Sparks. The 1982 Alaska gubernatorial election took place on November 2, 1982 for the post of governor of Alaska.  To replace outgoing Republican governor Jay Hammond, Democratic nominee Bill Sheffield defeated three opponents: Republican nominee Tom Fink, Libertarian nominee Dick Randolph and Alaskan Independence Party nominee Joe Vogler.  Hammond had endorsed his lieutenant governor, Terry Miller, who lost the Republican nomination to Fink in the primary election. The Alabama gubernatorial election of 2006 occurred on November 7, 2006.  Incumbent Republican Bob Riley defeated Democratic Lieutenant Governor Lucy Baxley.  Riley garnered 21% of African Americans' votes.
Answer: Donald Eugene "Don" Siegelman