who won the senate seat in arkansas
{'header': ['State (linked to summaries below)', 'Senator', 'Party', 'Electoral history', 'Result', 'Candidates Winning candidate in bold'], 'page_title': '', 'page_id': '', 'types': ['text', 'text', 'text', 'text', 'text', 'text'], 'id': '1-1133844-4', 'section_title': '', 'caption': '', 'rows': [['Arkansas', 'Mark Pryor', 'Democratic', '2002', 'Incumbent re-elected', 'Mark Pryor (D) 79.5% Rebekah Kennedy (G) 20.5%'], ['Delaware', 'Joe Biden', 'Democratic', '1972 1978 1984 1990 1996 2002', 'Incumbent re-elected', "Joe Biden (D) 64.7% Christine O'Donnell (R) 35.3%"], ['Iowa', 'Tom Harkin', 'Democratic', '1984 1990 1996 2002', 'Incumbent re-elected', 'Tom Harkin (D) 62.7% Christopher Reed (R) 37.3%'], ['Kentucky', 'Mitch McConnell', 'Republican', '1984 1990 1996 2002', 'Incumbent re-elected', 'Mitch McConnell (R) 53.0% Bruce Lunsford (D) 47.0%'], ['Maine', 'Susan Collins', 'Republican', '1996 2002', 'Incumbent re-elected', 'Susan Collins (R) 61.3% Tom Allen (D) 38.6%'], ['Mississippi', 'Thad Cochran', 'Republican', '1978 1984 1990 1996 2002', 'Incumbent re-elected', 'Thad Cochran (R) 61.4% Erik Fleming (D) 38.6%'], ['Montana', 'Max Baucus', 'Democratic', '1978 1984 1990 1996 2002', 'Incumbent re-elected', 'Max Baucus (D) 72.9% Bob Kelleher (R) 27.1%'], ['New Mexico', 'Pete Domenici', 'Republican', '1972 1978 1984 1990 1996 2002', 'Incumbent retired Democratic gain', 'Tom Udall (D) 61.3% Steve Pearce (R) 38.7%'], ['Rhode Island', 'Jack Reed', 'Democratic', '1996 2002', 'Incumbent re-elected', 'Jack Reed (D) 73.4% Robert Tingle (R) 26.6%'], ['South Carolina', 'Lindsey Graham', 'Republican', '2002', 'Incumbent re-elected', 'Lindsey Graham (R) 57.5% Bob Conley (D) 42.3%'], ['South Dakota', 'Tim Johnson', 'Democratic', '1996 2002', 'Incumbent re-elected', 'Tim Johnson (D) 62.5% Joel Dykstra (R) 37.5%'], ['West Virginia', 'Jay Rockefeller', 'Democratic', '1984 1990 1996 2002', 'Incumbent re-elected', 'Jay Rockefeller (D) 63.7% Jay Wolfe (R) 36.3%']], 'name': 'table_1133844_4'}