user: Question: What is the fewest gold medals when there is 0 bronze medals, and the rank is 19, and silver medals are less than 1?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['1', 'Great Britain (GBR)', 17.0, 3.0, 0.0, 20.0]
SQL:

assistant: SELECT MIN("Gold") FROM "Table" WHERE "Bronze" = 0.0 AND "Rank" = '19' AND "Silver" < 1.0;