Context: The Grey Cup was established in 1909 after being donated by Albert Grey, 4th Earl Grey, The Governor General of Canada as the championship of teams under the CRU for the Rugby Football Championship of Canada. Initially an amateur competition, it eventually became dominated by professional teams in the 1940s and early 1950s. The Ontario Rugby Football Union, the last amateur organization to compete for the trophy, withdrew from competition in 1954. The move ushered in the modern era of Canadian professional football.

Question: Who donated a championship trophy for Canadian football teams in 1909?
Answer: Albert Grey

Question: When did professional teams begin to dominate the Canadian football championship?
Answer: 1940s and early 1950s

Question: Which trophy was awarded to a Canadian football champion beginning in 1909?
Answer: Grey Cup

Question: Which was the last amateur team to compete for the Canadian football championship?
Answer: Ontario Rugby Football Union

Question: What government position was held by the man who donated the Grey Cup to Canadian football?
Answer: The Governor General of Canada

Question: Who donated the Grey cup in 2009
Answer: Unanswerable

Question: When did amateur teams begin to dominate the Canadian football championship
Answer: Unanswerable

Question: What was the first amateur team to compete for the Canadian football championship?
Answer: Unanswerable

Question: What did the Gov. Gen. of Ottawa to donate?
Answer: Unanswerable

Question: What amateur team won a championship in 1954?
Answer: Unanswerable

Question: When was the Ontario Rugby Football Union established?
Answer: Unanswerable

Question: Who donated a championship trophy for the Governor General of Canada?
Answer: Unanswerable

Question: What position was held by the Ontario Rugby Football Union?
Answer: Unanswerable

Question: What was the last professional team to compete for the trophy?
Answer: Unanswerable

Question: When did amateur teams dominate the Canadian football championship?
Answer: Unanswerable