Question: What mid-fifties Canadian golf event on the PGA Tour was sponsored by the largest brewer in Canada?
Related documents: [0]  [DOC] Labatt Brewing Company Ltd. (French: "Brasseries Labatt du Canada Ltée" ) is a Belgian-owned Canadian beer company founded by John Kinder Labatt in 1847 in London, Ontario. Labatt is the largest brewer in Canada. [END] 
[1]  [DOC] The Labatt Open was a golf event on the PGA Tour that was played in Canada in the mid-1950s. It was sponsored by the Labatt Brewing Company. It was played at several different courses. [END] 
Answer: 
Labatt Brewing Company
Labatt Brewing Company