user: Question: What is the hioghest amount of silver medals for a nation ranked higher than 19 and less than 2 gold medals?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['1', 'United States (USA)', 17.0, 14.0, 13.0, 44.0]
SQL:

assistant: SELECT MAX("Silver") FROM "Table" WHERE "Rank" = '19' AND "Gold" < 2.0;