user: Question: What is the average Position with less than 57 against and the team is Juventus?
Columns: ['Position', 'Team', 'Points', 'Played', 'Drawn', 'Lost', 'Against', 'Difference']
Types: ['real', 'text', 'real', 'real', 'real', 'real', 'real', 'text']
Sample row: [1.0, 'Palmeiras', 32.0, 20.0, 2.0, 3.0, 19.0, '31']
SQL:

assistant: SELECT AVG("Position") FROM "Table" WHERE "Against" < 57.0 AND "Team" = 'Juventus';