user: Question: What was the average number of silver medals won by france when they are ranked higher than 8?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['real', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Germany', 1.0, 0.0, 0.0, 1.0]
SQL:

assistant: SELECT AVG("Silver") FROM "Table" WHERE "Nation" = 'france' AND "Rank" > 8.0;