user: Question: With less than 7 Silver medals, how many Gold medals did canada receive?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['1', 'England', 11.0, 10.0, 11.0, 32.0]
SQL:

assistant: SELECT "Gold" FROM "Table" WHERE "Nation" = 'canada' AND "Silver" < 7.0;