user: Question: What is the maximum torque that has 2,445 cc Displacement, and an Iveco 8144.61 engine?
Columns: ['Model', 'Engine', 'Displacement', 'Valvetrain', 'Fuel system', 'Max. power at rpm', 'Max. torque at rpm']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Petrol engines', 'Petrol engines', 'Petrol engines', 'Petrol engines', 'Petrol engines', 'Petrol engines', 'Petrol engines']
SQL:

assistant: SELECT MAX("Max. torque at rpm") FROM "Table" WHERE "Displacement" = '2,445 cc' AND "Engine" = 'Iveco 8144.61';