user: Question: What is the total number of Total with more than 16 rank for the nation of romania with more than 0 for silver?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['real', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Japan', 4.0, 3.0, 3.0, 10.0]
SQL:

assistant: SELECT COUNT("Total") FROM "Table" WHERE "Rank" > 16.0 AND "Nation" = 'romania' AND "Silver" > 0.0;