user: Question: What is the highest possible level?
Columns: ['Level', 'Shuttles', 'Cumulative Shuttles', 'Speed (km/h)', 'Shuttle Time (seconds)', 'Total level time (s)', 'Distance (m)', 'Cumulative Distance (m)', 'Cumulative Time (min and seconds)']
Types: ['real', 'real', 'real', 'text', 'text', 'text', 'real', 'real', 'text']
Sample row: [1.0, 7.0, 7.0, '8.0', '9.00', '63.00', 140.0, 140.0, '1:03']
SQL:

assistant: SELECT MAX("Level") FROM "Table";