user: Question: What is the lowest number of silver medals with a rank of 4 and total medals greater than 1?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['real', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Great Britain', 5.0, 1.0, 0.0, 6.0]
SQL:

assistant: SELECT MIN("Silver") FROM "Table" WHERE "Rank" = 4.0 AND "Total" > 1.0;