user: Question: What is the rd for the Canadian Grand Prix?
Columns: ['Rd.', 'Grand Prix', 'Pole Position', 'Fastest Lap', 'Winning Driver', 'Constructor', 'Report']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Australian Grand Prix', 'Rubens Barrichello', 'Kimi Räikkönen', 'Michael Schumacher', 'Ferrari', 'Report']
SQL:

assistant: SELECT "Rd." FROM "Table" WHERE "Grand Prix" = 'Canadian Grand Prix';