user: Question: What is the number of Bronze medals of the Nation with 64 total and silver greater than 16?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['1', 'Japan', 7.0, 1.0, 5.0, 13.0]
SQL:

assistant: SELECT "Bronze" FROM "Table" WHERE "Total" = 64.0 AND "Silver" > 16.0;