user: Question: Which country had more than 2 silvers and less than 4 golds?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['1', 'Russia', 4.0, 3.0, 2.0, 9.0]
SQL:

assistant: SELECT "Nation" FROM "Table" WHERE "Silver" > 2.0 AND "Gold" < 4.0;