user: ### NOW ANSWER:
Question: Name the most red/yellow cards for positive play being 255
Columns: ['Pos', 'Club', 'Games played', 'Red/Yellow cards', 'Positive play', 'Respect toward opponents', 'Respect toward referee', 'Behaviour of team officials', 'Points', 'Score', 'Average']
Types: ['real', 'text', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'text', 'text']
Sample row: [1.0, 'Manchester United', 38.0, 332.0, 325.0, 223.0, 226.0, 206.0, 1312.0, '328.00', '8.63']
SQL:

assistant: SELECT MAX("Red/Yellow cards") FROM "Table" WHERE "Positive play" = 255.0;