user: Question: Which Nation has a Gold larger than 0, and a Total larger than 4, and a Rank of 6?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['1', 'Soviet Union', 6.0, 4.0, 1.0, 11.0]
SQL:

assistant: SELECT "Nation" FROM "Table" WHERE "Gold" > 0.0 AND "Total" > 4.0 AND "Rank" = '6';