user: Question: What is the lowest amount of medals russia has if they have more than 2 silver medals and less than 4 gold medals?
Columns: ['Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'real', 'real', 'real', 'real']
Sample row: ['United States', 12.0, 6.0, 7.0, 25.0]
SQL:

assistant: SELECT MIN("Total") FROM "Table" WHERE "Silver" > 2.0 AND "Nation" = 'russia' AND "Gold" < 4.0;