user: Question: What is the highest number for 140+?
Columns: ['Player', 'Played', 'Legs Won', 'Legs Lost', '100+', '140+', '180s', 'High Checkout', '3-dart Average']
Types: ['text', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'text']
Sample row: ['Phil Taylor', 5.0, 48.0, 22.0, 77.0, 75.0, 19.0, 128.0, '104.37']
SQL:

assistant: SELECT MAX("140+") FROM "Table";