user: Question: How many bronzes were held by those with a total of 4 and less than 3 silvers.
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['real', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Cuba', 7.0, 4.0, 3.0, 14.0]
SQL:

assistant: SELECT SUM("Bronze") FROM "Table" WHERE "Total" = 4.0 AND "Silver" < 3.0;