Question: Toronto's Insight Sports is partially owned by what Canadian businessman?

full_context: Document 1: Michael Friisdahl: Michael Friisdahl is the President and Chief Executive Officer of Maple Leaf Sports & Entertainment, a sports and entertainment company. Friisdahl was appointed in October 2015, and is responsible for overseeing MLSE's sports properties which includes ownership of the Toronto Maple Leafs (National Hockey League), Toronto Raptors (National Basketball Association), Toronto FC (Major League Soccer), Toronto Marlies (American Hockey League), Raptors 905 (NBA Development League) and Toronto FC II (United Soccer League). It also owns and operates Air Canada Centre, a multi-purpose indoor sporting arena in Toronto that has hosted more than 36 million fans over 2,500 events since its opening in 1999, and has invested in five other Toronto’s sports facilities — Ricoh Coliseum, home of the Marlies; BMO Field, home of Toronto FC; Lamport Stadium; the MasterCard Centre for Hockey Excellence, the practice facility for the Maple Leafs and Marlies and the BioSteel Centre, the practice facility of the Raptors. MLSE operates and manages events at Ricoh Coliseum, BMO Field and BioSteel Centre.
Document 2: Matchroom Sport: Matchroom Sport is a sport event promotions company led by the founder and owner English entrepreneur Barry Hearn and his son Eddie. It first came to attention in the sports of snooker and boxing and is also involved in pool, bowling, golf (see PGA EuroPro Tour), fishing, darts, ping pong, and poker and as of late 2016 gymnastics. The company is based in Brentwood, Essex.
Document 3: Tim Leiweke: Timothy J. Leiweke (born April 21, 1957) is an American sports executive who is the chief executive office of Oak View Group. Leiweke was the former president and CEO of Maple Leaf Sports & Entertainment (MLSE) and former President and CEO of Anschutz Entertainment Group (AEG). Leiweke held roughly a 4% stake in AEG as of 2012, and is well known for his relationship with notoriously reclusive AEG founder and Denver-based billionaire Philip Anschutz, whom he has known since the early 1990s. Since November 2015, Leiweke has served as the CEO of the Oak View Group, "a global advisory, development and investment company for the sports and live entertainment industries".
Document 4: Terrence Pegula: Terrence M. "Terry" Pegula (born March 27, 1951) is an American multi-billionaire who holds business interests in natural gas development, real estate, entertainment and professional sports. He is the owner of Pegula Sports and Entertainment which includes among other things full ownership of the Buffalo Sabres of the National Hockey League (NHL) and, along with his wife Kim Pegula, the Buffalo Bills of the National Football League (NFL).
Document 5: Insight Sports: Insight Sports Ltd. is a sports media and entertainment company based in Toronto, Ontario, Canada. The company is owned in part by Larry Tanenbaum, part owner of Maple Leaf Sports & Entertainment.
Document 6: Maple Leaf Sports &amp; Entertainment: Maple Leaf Sports & Entertainment Ltd. (MLSE) is a professional sports and commercial real estate company based in Toronto, Ontario, Canada. With assets that include franchises in three of the six major professional sports leagues in the United States and Canada, it is the largest sports and entertainment company in Canada, and one of the largest in North America.
Document 7: Jim Pattison: James Allen Pattison, OC, OBC (born October 1, 1928) is a Canadian business magnate, investor and philanthropist. He is based in Vancouver where he holds the position of Chief Executive Officer, Chairman and sole owner of the Jim Pattison Group, the second largest privately held company in Canada. He is considered Canada's fourth richest person.
Document 8: Toronto Maple Leafs: The Toronto Maple Leafs (officially the Toronto Maple Leaf Hockey Club) are a professional ice hockey team based in Toronto, Ontario. They are members of the Atlantic Division of the Eastern Conference of the National Hockey League (NHL). The club is owned by Maple Leaf Sports & Entertainment, Ltd. and are represented by Chairman Larry Tanenbaum. With an estimated worth of US $1.1 billion in 2016 according to "Forbes", the Leafs are the third most valuable franchise in the NHL, after the Montreal Canadiens and the New York Rangers. The team's broadcasting rights are split between BCE Inc. and Rogers Communication. For their first 14 seasons, the club played their home games at the Mutual Street Arena, before moving to Maple Leaf Gardens in 1931. The club moved to their present home, the Air Canada Centre in February 1999.
Document 9: Barry Klarberg: Barry J. Klarberg (born March 4, 1961), CPA, is an American businessman. He is a professional business and wealth manager for athletes, entertainers and high-net-worth individuals. He is the founder and CEO of Monarch Business and Wealth Management, a full-service firm and family office that specializes in providing business and wealth management services. Klarberg has managed several prominent individuals including musician/actor Justin Timberlake, entrepreneur Russell Simmons, DJ and record producer Kaskade, NASCAR champion Kyle Busch, professional tennis player/model Anna Kournikova, NBA All-Star Kyle Lowry, MLB All-Star and Homerun Champion José Bautista, MLS All-Star and Captain of the United States men's national soccer team Michael Bradley, and NHL Hall-of-Famer Mark Messier.
Document 10: Maple Leaf Square: Maple Leaf Square is a multi-use complex and public square located in Toronto, Ontario, Canada. It is located to the west of the Air Canada Centre in Downtown Toronto in the former Railway Lands. The $500 million development was jointly developed by Cadillac Fairview, Lanterra and Maple Leaf Sports & Entertainment (MLSE), who owns the nearby Air Canada Centre. The complex has 1800000 sqft of usable space covering 2.1 acre on one city block.
Document 11: Pegula Sports and Entertainment: Pegula Sports and Entertainment (PSE) is an American sports and entertainment holding company based in Buffalo, New York. The company was established after Terrence Pegula and his family combined their sports, property and entertainment assets into one parent company. The company's assets most notably include the Buffalo Bills of the National Football League, the Buffalo Sabres of the National Hockey League, the Buffalo Bandits of the National Lacrosse League, and the Rochester Americans of the American Hockey League.
Document 12: Eugene Melnyk: Eugene Melnyk (born May 27, 1959) is a Ukrainian Canadian businessman who has resided in Barbados since February 1991. He is the current and sole owner, governor, and chairman of the Ottawa Senators professional ice hockey franchise of the National Hockey League (NHL). He is the founder, former chairman and CEO of Biovail Corporation which was acquired by Valeant Pharmaceuticals. Canadian Business magazine ranked Melnyk 79th with a net worth of $1.21 billion on its 2017 list of Canada's 100 wealthiest people. He is also one of the richest residents of Barbados, where he now lives.
Document 13: Star Sports Network: Star Sports Network (previously known as ESPN STAR Sports or ESS) is a leading sports broadcasting network in India,owned by 21st Century Fox through its subsidiaries STAR TV and Fox Networks Group. It was formed as ESPN STAR Sports, a joint venture between ESPN Inc. (jointly owned by The Walt Disney Company and Hearst Corporation, and through ESPN International, which it directly owns,) and News Corporation in 1994. News Corporation acquired Disney's stake in the company in 2012 and Manu Sawhney was replaced by Peter Hutton as the CEO.
Document 14: Mark Cuban: Mark Cuban (born July 31, 1958) is an American businessman, investor, author, television personality, and philanthropist. He is the owner of the NBA's Dallas Mavericks, co-owner of 2929 Entertainment and chairman of the AXS TV. He is also one of the main "shark" investors on the ABC reality television series, "Shark Tank". In 2011, Cuban wrote an e-book, "How to Win at the Sport of Business", in which he chronicles his experiences in business and sports.
Document 15: Larry Tanenbaum: Lawrence M. Tanenbaum {'1': ", '2': ", '3': ", '4': "} (born 1945) is a Canadian businessman and chairman of Maple Leaf Sports & Entertainment (MLSE). He owns a 25% stake in MLSE through his holding company Kilmer Sports Inc.
ground_truth: Lawrence M. Tanenbaum