user: Question: What is the highest silver medal count when there is 1 Bronze medal and 1 Gold 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 MAX("Silver") FROM "Table" WHERE "Bronze" = 1.0 AND "Gold" = 1.0;