select min(weight) from cars_data where cylinders  =  8 and year  =  1974
What is the smallest weight of the car produced with 8 cylinders on 1974 ?
select min ( weight ) from cars_data where cylinders = 8 and year = 1974
select min ( weight ) from cars_data where cylinders = value and year = value
What is the smallest weight of the car produced with 8 cylinders on 1974 ?