user: Question: What is the average Total, when Bronze is greater than 0, when Silver is greater than 0, when Gold is greater than 2, and when Nation is Soviet Union?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['1', 'Soviet Union', 5.0, 2.0, 1.0, 8.0]
SQL:

assistant: SELECT AVG("Total") FROM "Table" WHERE "Bronze" > 0.0 AND "Silver" > 0.0 AND "Gold" > 2.0 AND "Nation" = 'Soviet Union';