user: Question: Which was the lowest gold when silver was smaller than 0?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['real', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Russia', 9.0, 11.0, 9.0, 29.0]
SQL:

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