user: Question: What is the lowest Points with an against of 20 and less than 1 lost?
Columns: ['Position', 'Team', 'Points', 'Played', 'Drawn', 'Lost', 'Against', 'Difference']
Types: ['real', 'text', 'real', 'real', 'real', 'real', 'real', 'text']
Sample row: [1.0, 'São Paulo', 36.0, 20.0, 2.0, 1.0, 20.0, '50']
SQL:

assistant: SELECT MIN("Points") FROM "Table" WHERE "Against" = 20.0 AND "Lost" < 1.0;