Question: In which league did this professional minor league ice hockey team, which Knoxville Ice Bears played against at the final, play in 2010?
Context: 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. 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. The China Dragon () was a professional ice hockey team which played its home games in three different cities in China, including Harbin, Qiqihar, and Shanghai.  The team was a member of Asia League Ice Hockey between 2007 and 2017.  The team was formed in 1954 as two different clubs, Harbin and Qiqihar, as part of the China League.  In 2004, the clubs joined Asia League Ice Hockey and in 2007 they merged into a single club, China Sharks, backed by the National Hockey League's San Jose Sharks for financial reasons.  The team was renamed the China Dragon in 2009 when San Jose pulled out.  The team was dissolved following the 2016–17 Asia League Ice Hockey season. The Jacksonville Bullets were a professional minor league ice hockey team based in Jacksonville, Florida.  They played in the Sunshine Hockey League, later renamed the Southern Hockey League, from 1992–1996.  They played their games at Jacksonville Coliseum and Skate World, now known as Jacksonville Ice & Sportsplex. The Jacksonville Rockets were a professional minor league ice hockey team based in Jacksonville, Florida.  They played in the Eastern Hockey League from 1964–1972, when they folded.  They were the first professional hockey team to be based in Jacksonville or anywhere in Florida.  They played most of their home games at the Jacksonville Coliseum; from 1966–68 they were known as the Florida Rockets, reflecting that they played some of their home games outside of Jacksonville in St. Petersburg, Florida. 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. 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. The Ice Bears first off-season was an eventful one.  First, the Atlantic Coast Hockey League folded, and the Ice Bears moved to the newly formed South East Hockey League.  Then, head coach Tony Martino left to coach Italian team HC Varese.  He was replaced by Jim Bermingham, a 10-year pro who played his final season in Knoxville during the Ice Bears inaugural campaign.  General Manager Tommy Benizio was let go and replaced with assistant coach Preston Dixon, who also retained his coaching position. The Orlando Solar Bears were a professional minor league ice hockey team based in Orlando, Florida.  The Solar Bears played in the International Hockey League's Eastern Conference.  They played their home games at the Orlando Arena. The Mississippi RiverKings are a professional minor league ice hockey team.  The RiverKings are a member of the Southern Professional Hockey League, playing their first nineteen seasons from the 1992–93 season to the 2010–11 season in the Central Hockey League.  In July 2007, after 15 seasons as the Memphis RiverKings, the name was changed to Mississippi RiverKings.  The RiverKings are the oldest continuously operating professional sports franchise in the Memphis Metropolitan Area.
Answer: Central Hockey League