user: Question: What is the total number of silver medals of the nation with more than 16 total medals?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['real', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Russia', 7.0, 3.0, 6.0, 16.0]
SQL:

assistant: SELECT "Silver" FROM "Table" WHERE "Total" > 16.0;