Table: jeep_grand_cherokee_specs_2
Columns: years
displacement
engine
power
torque

Question: what is the years for the displacement 4.0l (242cid)?
SQL: SELECT "years" FROM jeep_grand_cherokee_specs_2 WHERE "displacement" = '4.0l (242cid)'

Question: Which engine has a torgue of lb·ft (n·m)?
SQL: SELECT "engine" FROM jeep_grand_cherokee_specs_2 WHERE "torque" = 'lb·ft (n·m)'