user: Question: Which Drawn is the highest one that has a Played smaller than 18?
Columns: ['Position', 'Team', 'Points', 'Played', 'Drawn', 'Lost', 'Against', 'Difference']
Types: ['real', 'text', 'real', 'real', 'real', 'real', 'real', 'text']
Sample row: [1.0, 'São Paulo', 23.0, 18.0, 9.0, 2.0, 15.0, '10']
SQL:

assistant: SELECT MAX("Drawn") FROM "Table" WHERE "Played" < 18.0;