user: Question: What is the maximum power at rpm for the engine named 2.0 TDI that has a 1968cc displacement?
Columns: ['engine name', 'engine code(s)', 'valvetrain', 'displacement', 'max. power at rpm', 'max. torque at rpm']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Petrol engines', 'Petrol engines', 'Petrol engines', 'Petrol engines', 'Petrol engines', 'Petrol engines']
SQL:

assistant: SELECT "max. power at rpm" FROM "Table" WHERE "displacement" = '1968cc' AND "engine name" = '2.0 TDI';