user: Question: What is the total number of Silver for the Nation with more than 1 Bronze and a Rank less than 5?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['real', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Russia', 1.0, 3.0, 1.0, 5.0]
SQL:

assistant: SELECT SUM("Silver") FROM "Table" WHERE "Bronze" > 1.0 AND "Rank" < 5.0;