user: Question: What average Total has a Gold award of 13 and a Bronze award less than 13?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['1', 'China', 13.0, 9.0, 13.0, 35.0]
SQL:

assistant: SELECT AVG("Total") FROM "Table" WHERE "Gold" = 13.0 AND "Bronze" < 13.0;