Question: Which Ukranian Canadian businessman is both the owner of an ice hockey team and a successful racehorse breeder?

full_context: Document 1: Galen Weston: Willard Gordon Galen Weston {'1': ", '2': ", '3': ", '4': "} (born October 29, 1940) is a British-Canadian businessman and philanthropist as well as Executive Chairman of George Weston Limited, a leading food processing and distribution company. Weston and family, with an estimated net worth of $US 8.9 billion, are listed as the second wealthiest in Canada and 147th in the world by Forbes magazine (March 2014).
Document 2: Sir Barton Stakes (Canada): The Sir Barton Stakes is a Thoroughbred horse race run annually in early December at Woodbine Racetrack in Toronto, Ontario, Canada. An Ontario Sire Stakes, it is a restricted race for horses age three and older. Raced over a distance of 1 ⁄ miles on Polytrack, the Sir Barton Stakes currently carries a purse of $93,938.
Document 3: Ivan Chrenko: Ivan Chrenko (born 1967/68) is a Slovak billionaire businessman, the chairman and majority owner of the Slovak real estate development company HB Reavis. In March 2017, with an estimate net worth of US$1.1 billion, Chrenko became the first ever Slovak billionaire, according to "Forbes". Prior to Chrenko, Andrej Babiš became the first person of Slovak origin with a net worth above $1 billion, but he later became a citizen of the Czech Republic.
Document 4: Steve Bisciotti: Stephen J. Bisciotti (born April 10, 1960) is the current majority owner of the Baltimore Ravens of the National Football League. He founded a family of technical staffing companies known as Allegis Group, which owns Maxim Healthcare, Aerotek, and TEKsystems.
Document 5: Secretariat (horse): Secretariat (March 30, 1970 – October 4, 1989) was an American Thoroughbred racehorse who, in 1973, became the first Triple Crown winner in 25 years. His record-breaking win in the Belmont Stakes, where he left the field 31 lengths behind him, is widely regarded as one of the greatest races of all time. During his racing career, he won five Eclipse Awards, including Horse of the Year honors at ages two and three. He was elected to the National Museum of Racing and Hall of Fame in 1974. In the List of the Top 100 U.S. Racehorses of the 20th Century, Secretariat is second only to Man o' War (racing career 1919–1920), who also was a large chestnut colt given the nickname "Big Red".
Document 6: King Edward Stakes: The King Edward Breeders' Cup Stakes is a Canadian Thoroughbred horse race run annually at Woodbine Racetrack in Toronto, Ontario. The Grade II turf race is open to horses aged three and older and is raced over a distance of one mile (8 furlongs). Run in late June or early July, it currently offers a purse of CAD$200,000.
Document 7: Golden Choice: Golden Choice (foaled 1983) is a Canadian Thoroughbred racehorse best known for winning Canada's most prestigious horse race, the Queen's Plate. Sired by Val de l'Orne, the 1975 Prix du Jockey Club winner, his damsire was Barachois, a son of Northern Dancer. Golden Choice was purchased as a yearling for $60,000 at the Canadian Thoroughbred Horse Society (CTHS) sale at Woodbine.
Document 8: Point Given: Point Given (foaled March 27, 1998) is an American Hall of Fame champion Thoroughbred racehorse. As a three-year-old, he won the 2001 Preakness Stakes and Belmont Stakes, along with the Eclipse Award for Horse of the Year. He was the first horse in history to win four $1 million races in a row: the Preakness Stakes, the Belmont Stakes (in which he ran the fourth fastest Belmont ever, faster than both Seattle Slew and Affirmed, each of whom won the Triple Crown), the Haskell Invitational Handicap, and the Travers Stakes. (This feat was surpassed by American Pharoah in 2015, who won 5 straight $1 million races while winning the Triple Crown.) His lifetime race record was 9 wins out of 13 starts with 3 second places, earning $3,968,500. The only time he finished out of the money was in the 2001 Kentucky Derby, where he ran 5th.
Document 9: Eddie Arcaro: George Edward Arcaro (February 19, 1916 – November 14, 1997), known professionally as Eddie Arcaro, was an American Thoroughbred horse racing Hall of Fame jockey who won more American classic races than any other jockey in history and is the only rider to have won the U.S. Triple Crown twice. He is widely regarded as the greatest jockey in the history of American Thoroughbred horse racing. Arcaro was born in Cincinnati, Ohio, the son of an impoverished taxi driver. His parents, Pasquale and Josephine, were Italian immigrants and his father held a number of jobs, including taxi driver and operator of an illegal liquor enterprise during Prohibition. Arcaro was born prematurely, and weighed just three pounds at birth; because of this, he was smaller than his classmates and was rejected when he tried out for a spot on a baseball team. His full height would reach just five-foot, two inches. Eventually nicknamed "Banana Nose" by his confreres, Arcaro won his first race in 1932 at the Agua Caliente racetrack in Tijuana, Mexico; he was 16 years old. In 1934, the inaugural year of Narragansett Park, Arcaro was a comparative unknown who rode many of his early career races at 'Gansett.
Document 10: Arch Hall (horse): Arch Hall (foaled 2001 in Ontario) is a Canadian Thoroughbred racehorse best known for his three consecutive wins in the Sir Barton Stakes at Woodbine Racetrack in Toronto, Ontario. Owned and bred by Eugene Melnyk, he was out of the mare Selena Smile and sired by Archers Bay, the grandson of Leading sire in North America, Deputy Minister. Eugene Melnyk owned Archers Bay who won the 1998 Queen's Plate and was voted Canadian Champion Three-Year Old Colt.
Document 11: 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 12: Oleg Boyko: "Oleg Boyko" is the principal investor and beneficiary of Finstar Financial Group, an international diversified private equity firm with assets under management exceeding $2 billion. Oleg Boyko is an international businessman with interests spanning Europe, the US and Latin America. He currently occupies the 61st spot in the Forbes Russia ranking with a personal wealth estimated at $1.3 billion (1476th spot on Forbes list of world`s richest people).
Document 13: 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.
Document 14: Arrogate: Arrogate (foaled April 11, 2013) is an American Thoroughbred racehorse who won the 2016 Travers Stakes in a track record in his first stakes appearance. He then won the Breeders' Cup Classic and was named the American Champion Three-Year-Old Male Horse and World's Best Racehorse of 2016. To start his four-year-campaign, he won the 2017 Pegasus World Cup in a new track record followed by a win in the Dubai World Cup. Despite having only four stakes race wins, the large purses for these wins have made him the all-time leading money earner in North America.
Document 15: 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.
ground_truth: Eugene Melnyk