user: Question: what is the sum of silver when the rank is 3, nation is france and bronze is less than 0?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['real', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Russia', 4.0, 1.0, 1.0, 6.0]
SQL:

assistant: SELECT SUM("Silver") FROM "Table" WHERE "Rank" = 3.0 AND "Nation" = 'france' AND "Bronze" < 0.0;