user: Question: What is the sum of all totals with a rank greater than 6, gold greater than 0, and silver greater than 2?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['real', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'China (CHN)', 7.0, 3.0, 3.0, 13.0]
SQL:

assistant: SELECT SUM("Total") FROM "Table" WHERE "Rank" > 6.0 AND "Gold" > 0.0 AND "Silver" = 2.0;