user: Question: What is the average number of silvers for nations with over 1 bronze medal?
Columns: ['Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'real', 'real', 'real', 'real']
Sample row: ['Netherlands (NED)', 2.0, 1.0, 1.0, 4.0]
SQL:

assistant: SELECT AVG("Silver") FROM "Table" WHERE "Bronze" > 1.0;