user: Question: What is listed as the highest Silver that also has a Gold of 4 and a Total that's larger than 25?
Columns: ['Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'real', 'real', 'real', 'real']
Sample row: ['Jamaica', 726.0, 506.0, 327.0, 1559.0]
SQL:

assistant: SELECT MAX("Silver") FROM "Table" WHERE "Gold" = 4.0 AND "Total" > 25.0;