Table: car_specs
Columns: model
engine
displacement
power
torque

Question: What was the displacement having a torque of n·m (lb·ft) @ 3000 rpm?
SQL: SELECT "displacement" FROM car_specs WHERE "torque" = 'n·m (lb·ft) @ 3000 rpm'

Question: Which engine had a 48kw (65 ps) @ 5600 rpm power?
SQL: SELECT "engine" FROM car_specs WHERE "power" = '48kw (65 ps) @ 5600 rpm'

Question: Which model had a power of 66kw (90 ps) @ 6250 rpm?
SQL: SELECT "model" FROM car_specs WHERE "power" = '66kw (90 ps) @ 6250 rpm'

Question: Which of the engines has a displacement of 1,585 cc, with a model number of 90i?
SQL: SELECT "engine" FROM car_specs WHERE "displacement" = '1,585 cc' AND "model" = '90i'