user: Question: What is the highest Position, when Pilot is "Mario Kiessling"?
Columns: ['Position', 'Pilot', 'Glider', 'Speed', 'Distance']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Mario Kiessling', 'Ventus 2ax', '160.6km/h', '319.7km']
SQL:

assistant: SELECT MAX("Position") FROM "Table" WHERE "Pilot" = 'Mario Kiessling';