Question: The 1965 Memorial Cup final was the 47th junior ice hockey championship of the Canadian Amateur Hockey Association, the George Richardson Memorial Trophy champions is which organization, that were two junior ice hockey franchises, that played in the top tier in the Ontario Hockey Association?

Context paragraphs:
1965 Memorial Cup: The 1965 Memorial Cup final was the 47th junior ice hockey championship of the Canadian Amateur Hockey Association.  The George Richardson Memorial Trophy champions Niagara Falls Flyers of the Ontario Hockey Association in Eastern Canada competed against the Abbott Cup champions Edmonton Oil Kings of the Central Alberta Hockey League in Western Canada.  In a best-of-seven series, held at Edmonton Gardens in Edmonton, Alberta, Niagara Falls won their 1st Memorial Cup, defeating Edmonton 4 games to 1.

1962 Memorial Cup: The 1962 Memorial Cup final was the 44th junior ice hockey championship of the Canadian Amateur Hockey Association.  The George Richardson Memorial Trophy champions Hamilton Red Wings of the Ontario Hockey Association in Eastern Canada competed against the Abbott Cup champions Edmonton Oil Kings of the Central Alberta Hockey League in Western Canada.  In a best-of-seven series, held at the Guelph Memorial Gardens in Guelph, Ontario, Kitchener Memorial Auditorium in Kitchener, Ontario, and the Barton Street Arena in Hamilton, Ontario, Hamilton won their 1st Memorial Cup, defeating Edmonton 4 games to 1.

1947 Memorial Cup: The 1947 Memorial Cup final was the 29th junior ice hockey championship of the Canadian Amateur Hockey Association.  The George Richardson Memorial Trophy champions Toronto St. Michael's Majors of the Ontario Hockey Association in Eastern Canada competed against the Abbott Cup champions Moose Jaw Canucks of the Southern Saskatchewan Junior Hockey League in Western Canada.  The series was a rematch of the 1945 Memorial Cup, and featured the first Memorial Cup games played in the province of Saskatchewan.  In a best-of-seven series, held at Shea's Amphitheatre in Winnipeg, Manitoba, Regina Exhibition Stadium in Regina, Saskatchewan, and at the Moose Jaw Arena in Moose Jaw, Saskatchewan, St. Michael's won their 3rd Memorial Cup, defeating Moose Jaw 4 games to 0.

1937 Memorial Cup: The 1937 Memorial Cup final was the 19th junior ice hockey championship of the Canadian Amateur Hockey Association.  The George Richardson Memorial Trophy champions Copper Cliff Redmen of the Northern Ontario Hockey Association in Eastern Canada competed against the Abbott Cup champions Winnipeg Monarchs of the Manitoba Junior Hockey League in Western Canada.  This was the first Memorial Cup series to feature a best-of-five format.  The games were held at Maple Leaf Gardens in Toronto, Ontario, Winnipeg won their second Memorial Cup, defeating Copper Cliff three games to one.

Niagara Falls Flyers: The Niagara Falls Flyers were two junior ice hockey franchises that played in the top tier in the Ontario Hockey Association.  The first, a Junior "A" team existed from 1960 until 1972, and the second in Tier I Junior "A" from 1976 until 1982.

1938 Memorial Cup: The 1938 Memorial Cup final was the 20th junior ice hockey championship of the Canadian Amateur Hockey Association.  The George Richardson Memorial Trophy champions Oshawa Generals of the Ontario Hockey Association in Eastern Canada competed against the Abbott Cup champions St. Boniface Seals of the Manitoba Junior Hockey League in Western Canada.  In a best-of-five series, held at Maple Leaf Gardens in Toronto, Ontario, St. Boniface won their 1st Memorial Cup, defeating Oshawa 3 games to 2.

1936 Memorial Cup: The 1936 Memorial Cup final was the 18th junior ice hockey championship of the Canadian Amateur Hockey Association.  The George Richardson Memorial Trophy champions West Toronto Nationals of the Ontario Hockey Association in Eastern Canada competed against the Abbott Cup champions Saskatoon Wesleys of the North Saskatchewan Junior Hockey League in Western Canada.  In a best-of-three series, held at Maple Leaf Gardens in Toronto, Ontario, West Toronto won their 1st Memorial Cup, defeating Saskatoon 2 games to 0.

1943 Memorial Cup: The 1943 Memorial Cup final was the 25th junior ice hockey championship of the Canadian Amateur Hockey Association.  The George Richardson Memorial Trophy champions Oshawa Generals of the Ontario Hockey Association in Eastern Canada competed against the Abbott Cup champions Winnipeg Rangers of the Manitoba Junior Hockey League in Western Canada.  It was the first Memorial Cup final series to use a best-of-seven series format.  The games were held at Maple Leaf Gardens in Toronto, Ontario, Winnipeg won their second Memorial Cup, defeating Oshawa 4 games to 2.

1952 Memorial Cup: The 1952 Memorial Cup final was the 34th junior ice hockey championship of the Canadian Amateur Hockey Association.  The George Richardson Memorial Trophy champions Guelph Biltmore Mad Hatters of the Ontario Hockey Association in Eastern Canada competed against the Abbott Cup champion Regina Pats of the Saskatchewan Junior Hockey League in Western Canada.  In a best-of-seven series, held at Maple Leaf Gardens in Toronto, Ontario, and the Guelph Memorial Gardens in Guelph, Ontario, Guelph won their 1st Memorial Cup, defeating Regina 4 games to 0.

1956 Memorial Cup: The 1956 Memorial Cup final was the 38th junior ice hockey championship of the Canadian Amateur Hockey Association.  The George Richardson Memorial Trophy champions Toronto Marlboros of the Ontario Hockey Association in Eastern Canada competed against the Abbott Cup champions Regina Pats of the Saskatchewan Junior Hockey League in Western Canada, in a rematch of the 1955 final.  In a best-of-seven series, held at Maple Leaf Gardens in Toronto, Ontario, Toronto won their second consecutive Memorial Cup, and third overall, defeating Regina 4 games to 0, with 1 tie.

Supporting paragraphs: 1965 Memorial Cup Niagara Falls Flyers
Answer: Niagara Falls Flyers