user: Question: What is the total number of bronze medals of the nation with 4 total medals and 1 silver?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['1', 'Soviet Union', 12.0, 4.0, 4.0, 20.0]
SQL:

assistant: SELECT "Bronze" FROM "Table" WHERE "Total" = 4.0 AND "Silver" = 1.0;