user: ### NOW ANSWER:
Question: What rank was the country with no bronze but at least 1 silver medals?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['real', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Soviet Union', 24.0, 12.0, 4.0, 40.0]
SQL:

assistant: SELECT AVG("Rank") FROM "Table" WHERE "Bronze" < 1.0 AND "Silver" > 1.0;