user: Question: What is the number of silver medals when there are more than 1 gold, and more than 6 bronze?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['1', 'United States', 11.0, 7.0, 6.0, 24.0]
SQL:

assistant: SELECT "Silver" FROM "Table" WHERE "Gold" > 1.0 AND "Bronze" > 6.0;