user: Question: What is the highest number won when the number of points is 31?
Columns: ['Position', 'Team', 'Points', 'Played', 'Won', 'Drawn', 'Lost', 'For', 'Against', 'Difference']
Types: ['real', 'text', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'text']
Sample row: [1.0, 'São Paulo', 33.0, 20.0, 15.0, 3.0, 2.0, 63.0, 22.0, '41']
SQL:

assistant: SELECT MAX("Won") FROM "Table" WHERE "Points" = 31.0;