user: Question: What is the highest number of silver medals of the team with less than 0 bronzes?
Columns: ['Rank', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'real', 'real', 'real', 'real']
Sample row: ['1', 2.0, 0.0, 1.0, 3.0]
SQL:

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