Question: Canada '67 is a documentary of the most populous municipality in what province?
Sentence (from "Canada '67"): Canada '67 is a Circle-Vision 360° documentary film by Canadian film director Robert Barclay, which was presented at the Telephone Pavilion, (formally named the Telephone Association of Canada Pavilion), part of Expo 67, an International World's Fair held in Montreal, Quebec, Canada in 1967 to mark the centenary of the Confederation of Canada.
Relevant evidence: Yes