user: Question: What is the total sum of silver metals for all countries with more than 2 Bronze medals?
Columns: ['Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'real', 'real', 'real', 'real']
Sample row: ['Canada (CAN)', 1.0, 1.0, 0.0, 2.0]
SQL:

assistant: SELECT SUM("Silver") FROM "Table" WHERE "Total" > 2.0 AND "Bronze" > 2.0;