Conversation so far:
What is Can-Am?
The Canadian-American Challenge Cup, or Can-Am, was an SCCA/CASC sports car racing series from 1966 to 1987.
Are there any other interesting aspects about the Denny Hulme article?
Between 1967 through 1972, Denny Hulme was the Can-Am season champion twice, and championship runner-up four times.

Question: When was his first win at the Can-Am?
Self-contained rewrite: When was Denny Hulme's first win at the Can-Am?