user: Question: Which Year is the highest one that has a Venue of edmonton, canada?
Columns: ['Year', 'Competition', 'Venue', 'Position', 'Notes']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1991.0, 'Pan American Games', 'Havana, Cuba', '1st', 'Heptathlon']
SQL:

assistant: SELECT MAX("Year") FROM "Table" WHERE "Venue" = 'edmonton, canada';