user: ### NOW ANSWER:
Question: Which Bronze has a Nation of argentina, and a Silver smaller than 0?
Columns: ['Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'real', 'real', 'real', 'real']
Sample row: ['Brazil', 2.0, 0.0, 1.0, 3.0]
SQL:

assistant: SELECT AVG("Bronze") FROM "Table" WHERE "Nation" = 'argentina' AND "Silver" < 0.0;