Question: The professional ice hockey league that the Peoria Rivermen are part of is based in what state?

full_context: Document 1: South Carolina Stingrays: The South Carolina Stingrays are a professional minor league ice hockey team based in North Charleston, South Carolina. The Stingrays play in the South Division of the ECHL's Eastern Conference. They play their home games at the North Charleston Coliseum. The Carolina Ice Palace, also located in North Charleston, serves as a practice facility and backup arena for the Stingrays. Established in 1993, the team has been owned by a conglomerate of local business owners since 1995. The team was affiliated with the Washington Capitals of the National Hockey League and the Hershey Bears of the American Hockey League starting in 2004 and ending in July 2012 when the Capitals announced their affiliation with the ECHL's Reading Royals. On June 26, 2014, the Washington Capitals announced an affiliation agreement with the Stingrays for the 2014–15 season.
Document 2: Southern Professional Hockey League: The Southern Professional Hockey League (SPHL) is a professional ice hockey league based in Huntersville, North Carolina, with teams located primarily in the southeastern United States as well as Illinois and Indiana in the midwestern United States.
Document 3: Charlotte Checkers: The Charlotte Checkers are a minor-league professional ice hockey team based in Charlotte, North Carolina. They are members of the Atlantic Division of the Eastern Conference in the American Hockey League (AHL), and are the AHL affiliate of the Carolina Hurricanes of the National Hockey League (NHL). The Checkers play their home games at Bojangles' Coliseum. The current organization is the third team by this name; it succeeded a Checkers franchise which played in the ECHL from 1993 until the end of the 2009–10 ECHL season. The original Checkers team played in the city from 1956 to 1977, originally in the Eastern Hockey League and then in the Southern Hockey League. The franchise is one of five teams to directly replace and share a name with a predecessor from a lower-tier league; the others are the Bakersfield Condors, Ontario Reign, Rockford IceHogs, and San Diego Gulls.
Document 4: Utica Comets: The Utica Comets are a professional ice hockey team based in Utica, New York. They are members of the North Division, of the Eastern Conference of the American Hockey League (AHL). Beginning play in the 2013–14 season, the team plays at the Adirondack Bank Center, as the AHL affiliate of the National Hockey League's Vancouver Canucks. The Comets are the second AHL team to call Utica home; the Utica Devils played in the city from 1987 until 1993 and were affiliated with the New Jersey Devils.
Document 5: Peoria Rivermen (AHL): The Peoria Rivermen was a professional ice hockey team in the American Hockey League. They played in Peoria, Illinois, USA at the Carver Arena. On June 14, 2013, it was announced that the team would relocate to Utica, New York after the 2012–13 AHL season, and be known as the Utica Comets.
Document 6: Sports in North Carolina: Athletes and sports teams from North Carolina compete at every level of competition in the United States including NASCAR, the NBA, the NFL, the NHL, the NASL North American Soccer League, and MLL, and along with several colleges and universities in various conferences across an array of divisions. North Carolina is a state known for minor league sports. There are also a number of indoor football, indoor soccer, minor league basketball, and minor league ice hockey teams throughout the state.
Document 7: Worcester IceCats: The Worcester IceCats were an ice hockey team in the American Hockey League. They played in Worcester, Massachusetts, at the Worcester Centrum. In 2005 the team was renamed the Peoria Rivermen and moved to Peoria, Illinois.
Document 8: Peoria Rivermen (IHL): The Peoria Rivermen were an ice hockey team that played in the International Hockey League. They played in Peoria, Illinois at the Carver Arena. A new team with the Peoria Rivermen name currently competes in the Southern Professional Hockey League.
Document 9: Knoxville Ice Bears: The Knoxville Ice Bears are a professional ice hockey team. The team competes in the Southern Professional Hockey League. They play their home games at the Knoxville Civic Auditorium and Coliseum in Knoxville, Tennessee. The Ice Bears are coached by Mike Craigen, currently in his 5th season as head coach. The Ice Bears have made the playoffs in all 14 years of their existence. In 2006, the Ice Bears defeated the Florida Seals to take their first President's Cup. The Ice Bears won back to back President's Cup Championships in the 2007-08 and 2008-09 seasons. On April 18, 2015, the Ice Bears defeated the Mississippi RiverKings 4-2 to sweep the 2015 SPHL Finals and win their 4th President's Cup.
Document 10: Sports in South Carolina: Although there are no major league professional franchises based in South Carolina, the state does have numerous minor league teams. Several "Carolina" major league pro teams representing both North Carolina and South Carolina are based in neighboring North Carolina. The Carolina Panthers, the professional American football team of the National Football League based in Charlotte, North Carolina, has training facilities in South Carolina. College teams also represent their particular South Carolina institution and the state is a prime destination for golf and water sports as well.
Document 11: Peoria Rivermen (SPHL): The Peoria Rivermen are a professional ice hockey team in the Southern Professional Hockey League. They play in Peoria, Illinois, United States at the Carver Arena. The team replaced an American Hockey League franchise of the same name that was purchased by the Vancouver Canucks and moved out of Peoria to Utica, New York.
Document 12: Vancouver Canucks: The Vancouver Canucks are a professional ice hockey team based in Vancouver, :British Columbia. They are members of the Pacific Division of the Western Conference of the National Hockey League (NHL). The Canucks play their home games at Rogers Arena, formerly known as General Motors Place, which has an official capacity of 18,910. Henrik Sedin is currently the captain of the team, Travis Green is the head coach and Jim Benning is the general manager.
Document 13: Stockton Thunder: The Stockton Thunder was a minor league professional ice hockey team that was based in Stockton, California and a member of the ECHL. The Stockton Arena was their home ice, with a capacity of 9,737. The team was an affiliate team of the New York Islanders of the National Hockey League in their final two seasons. The team was purchased by the Calgary Flames and relocated to Glens Falls, New York as the Flames relocated their American Hockey League team to Stockton to become the Stockton Heat.
Document 14: Twin City Cyclones: Originally called the Pee Dee Cyclones, the Twin City Cyclones were a minor league ice hockey team based in Winston-Salem, North Carolina. They began play in the Southern Professional Hockey League (SPHL) in the 2005–06 season. In the 2005–06 season, they finished sixth out of seven teams in the regular season standings, made the playoffs, but lost in the first round to the Knoxville Ice Bears. In the 2006–07 season, their final in Florence, South Carolina, the Cyclones finished in seventh place and failed to make the playoffs. They were called the "Pee Dee" Cyclones as the region of South Carolina around Florence that is usually named after the Pee Dee River.
Document 15: 2014–15 SPHL season: The 2014–15 SPHL season was the 11th season of the Southern Professional Hockey League (SPHL). The Knoxville Ice Bears defeated the Mississippi RiverKings in the President's Cup final 2 games to none to win their 4th SPHL title.
ground_truth: North Carolina