user: Question: What's the lowest gold with a total over 15 and less than 16 silver?
Columns: ['Rank', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'real', 'real', 'real', 'real']
Sample row: ['1', 10.0, 3.0, 2.0, 15.0]
SQL:

assistant: SELECT MIN("Gold") FROM "Table" WHERE "Total" > 15.0 AND "Silver" < 16.0;