Question: How many seasons did the namesake of the River East Royal Knights' home stadium play?

full_context: Document 1: 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 2: Western Hockey League: The Western Hockey League (WHL) is a major junior ice hockey league based in Western Canada and the Northwestern United States. The WHL is one of three leagues that constitute the Canadian Hockey League (CHL) as the highest level of junior hockey in Canada. Teams play for the Ed Chynoweth Cup, with the winner moving on to play for the Memorial Cup, Canada's national junior championship. WHL teams have won the Memorial Cup 19 times since the league became eligible to compete for the trophy.
Document 3: Brandon Wheat Kings: The Brandon Wheat Kings are a Canadian junior ice hockey team based in Brandon, Manitoba. They are members of the Western Hockey League, joining the league in the 1967–68 season. Prior to that they played in the Manitoba Junior Hockey League except for two seasons in the mid-1960s when they played in the Saskatchewan Junior Hockey League. The team was known as the Brandon Elks for a short time in the late 1930s. They won 8 Turnbull Cup Championships as Manitoba Junior Champions, 1939, 1947, 1949, 1950, 1960, 1962, 1963, & 1964 and appeared in the Memorial Cup six times: in 1949 (as an MJHL team), 1979, 1995, 1996, 2010, and 2016, losing each time. The team plays its home games in Westman Communications Group Place (Keystone Centre). They also played at Wheat City Arena until 1969, and the Manex Arena from 1969 to 1972. Between 1973 and 1980, the Wheat Kings owned and operated a farm team in the MJHL, called the Travellers. The Wheat Kings are currently the only Western Hockey League franchise based in the province of Manitoba.
Document 4: Manitoba Moose: The Manitoba Moose are a Canadian professional ice hockey team based in Winnipeg, Manitoba that plays in the American Hockey League (AHL). The team plays its home games at Bell MTS Place, the home arena of its parent club, the National Hockey League's Winnipeg Jets.
Document 5: Gordie Howe: Gordon "Gordie" Howe, OC (March 31, 1928 – June 10, 2016) was a Canadian professional ice hockey player. From 1946 to 1980, he played twenty-six seasons in the National Hockey League (NHL) and six seasons in the World Hockey Association (WHA); his first 25 seasons were spent with the Detroit Red Wings. Nicknamed "Mr. Hockey", Howe is considered the most complete player to ever play the game and one of the greatest ice hockey players of all time. A 23-time NHL All-Star, he held many of the sport's career scoring records until they were broken in the 1980s by Wayne Gretzky, who himself has been a major champion of Howe's legacy. He continues to hold NHL records for most games and seasons played. In 2017, Howe was named one of the "100 Greatest NHL Players".
Document 6: Dominik Hašek: Dominik Hašek (] ,    ; born January 29, 1965) is a retired Czech ice hockey goaltender. In his 16-season National Hockey League (NHL) career, he played for the Chicago Blackhawks, Buffalo Sabres, Detroit Red Wings and the Ottawa Senators. During his years in Buffalo, he became one of the league's finest goaltenders, earning him the nickname "The Dominator". His strong play has been credited with establishing European goaltenders in a league previously dominated by North Americans. He is a two-time Stanley Cup champion, both with the Red Wings. On January 27, 2017, in a ceremony during the All-Star Weekend in Los Angeles, Hasek was part of the second group of players to be named one of the '100 Greatest NHL Players' in history. He has the lowest career goals against average amongst goaltenders on the list.
Document 7: Weyburn Red Wings: The Weyburn Red Wings are a junior ice hockey team based in Weyburn, Saskatchewan, and currently playing in the Saskatchewan Junior Hockey League (SJHL). They play their home games at the Crescent Point Place, which has a seating capacity of 1,750. The team colours are red and white. Radio station CHWY-FM K106 broadcasts all Red Wings road games, and select home games. All home games are webcast on HockeyTV.
Document 8: 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 9: Marty Turco: Marty Vincent Turco (born August 13, 1975) is a Canadian former professional ice hockey goaltender who played 11 seasons in the National Hockey League (NHL). He played nine seasons with the Dallas Stars and one season each with the Chicago Blackhawks and Boston Bruins. Due to his puckhandling prowess, Canadian hockey personality Don Cherry named Turco: "the smartest goalie in the NHL." Turco is also an in-studio analyst at NHL Network.
Document 10: Mississippi RiverKings: 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.
Document 11: River East Royal Knights: The River East Royal Knights are a junior ice hockey team in the Manitoba Major Junior Hockey League. Based out of Winnipeg, Manitoba, Canada, the Royal Knights play their home games at Terry Sawchuk Memorial Arena.
Document 12: Gord McRae: Gordon Alexander McRae (born April 12, 1948 in Sherbrooke, Quebec) is a retired professional hockey goaltender. He played in 71 regular season and 8 playoff games for the Toronto Maple Leafs of the National Hockey League during the 1970s. After a three-year college career with the Michigan Tech Huskies, McRae played with Charlotte of the Eastern Hockey League and Providence in the American Hockey League before joining the Tulsa Oilers of the Central Hockey League in 1971. Signed by Toronto, he first appeared with the Leafs in 11 games during the 1972–73 season. He spent the next few years bouncing between the NHL club and its minor league affiliates in the CHL. His best season was 1974–75 when he appeared in 20 games, posting a 10–3–6 record with a 3.29 GAA. He backstopped the team to a first-round playoff upset over the Los Angeles Kings that season. McRae final seasons were either as a back-up with the Leafs or in the Central League before retiring after the 1977–78 season. While with the Dallas Black Hawks of the CHL in 1976–77, he won the Terry Sawchuk trophy and was named to the CHL first All-Star team.
Document 13: Glenn Hall: Glenn Henry "Mr. Goalie" Hall (born October 3, 1931) is a former professional ice hockey goaltender. During his National Hockey League career with the Detroit Red Wings, Chicago Black Hawks, and St. Louis Blues, Hall seldom missed a game and was a consistent performer, winning the Vezina Trophy, which at the time was awarded to the goaltender on the team allowing the fewest goals against (a distinction that now results in being awarded the William M. Jennings Trophy), three times, being voted the First Team All-Star goaltender a record seven times, and winning the Calder Memorial Trophy as best rookie. Nicknamed "Mr. Goalie", he was the first goaltender to develop and make effective use of the butterfly style of goalkeeping. On January 1, 2017, in a ceremony prior to the Centennial Classic, Hall was part of the first group of players to be named one of the '100 Greatest NHL Players' in history. He is the grandfather of Grant Stevenson.
Document 14: Terry Sawchuk: Terrance Gordon Sawchuk (December 28, 1929 – May 31, 1970) was a Ukrainian-Canadian professional ice hockey goaltender who played 21 seasons in the National Hockey League (NHL) for the Detroit Red Wings, Boston Bruins, Toronto Maple Leafs, Los Angeles Kings and the New York Rangers.
Document 15: Dustin Tokarski: Dustin Michael Tokarski (born September 16, 1989) is a Canadian professional ice hockey goaltender currently playing for the San Diego Gulls of the American Hockey League (AHL) while under contract to the Anaheim Ducks of the National Hockey League (NHL). He was born in Humboldt, Saskatchewan, but grew up in neighbouring
ground_truth: 21 seasons