user: Question: When the pos equals 18 what is the max amount of points?
Columns: ['Pos', 'No.', 'Driver', 'Team', 'Chassis/Engine', 'Laps', 'Time/Retired', 'Grid', 'Laps Led', 'Points']
Types: ['real', 'real', 'text', 'text', 'text', 'real', 'text', 'real', 'real', 'real']
Sample row: [1.0, 1.0, 'Scott Sharp', 'A. J. Foyt Enterprises', 'Lola T95/00/ Ford - Cosworth', 200.0, '1:36:57.912', 12.0, 18.0, 35.0]
SQL:

assistant: SELECT MAX("Points") FROM "Table" WHERE "Pos" = 18.0;