user: Question: Which is the highest silver that has a gold less than 0?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['real', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'United States', 17.0, 11.0, 5.0, 33.0]
SQL:

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