user: Question: What is the lowest silver for france with a rank less than 5 and a total larger than 19?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['real', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Soviet Union', 18.0, 14.0, 14.0, 46.0]
SQL:

assistant: SELECT MIN("Silver") FROM "Table" WHERE "Rank" < 5.0 AND "Nation" = 'france' AND "Total" > 19.0;