user: Question: What is the average number of losses for teams with under 4 losses and under 21 points?
Columns: ['Position', 'Name', 'Played', 'Drawn', 'Lost', 'Points']
Types: ['real', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'SVG Burgkirchen', 14.0, 2.0, 1.0, 24.0]
SQL:

assistant: SELECT AVG("Drawn") FROM "Table" WHERE "Lost" < 4.0 AND "Points" < 21.0;