user: Question: What is the least bronze number when the silver is less than 0?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['1', 'Russia', 4.0, 1.0, 3.0, 8.0]
SQL:

assistant: SELECT MIN("Bronze") FROM "Table" WHERE "Silver" < 0.0;