Question: In which city is the Sun Life Centre, global headquarters of Sun Life Financial?
Sentence (from "2011 Sun Life Classic"): The 2011 Sun Life Financial Invitational Curling Classic was held from November 17 to 21 at the Brantford Golf and Country Club and Brant Curling Club in Brantford, Ontario and the Paris Curling Club in Paris, Ontario.
Relevant evidence: No