user: Question: What is the total sum of bronze medals for the soviet union when there are more than 0 silver medals and more than 3 total medals?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['real', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Japan', 3.0, 3.0, 1.0, 7.0]
SQL:

assistant: SELECT SUM("Bronze") FROM "Table" WHERE "Silver" > 0.0 AND "Nation" = 'soviet union' AND "Total" > 3.0;