What is the smallest weight of the car produced with 8 cylinders on 1974?
return car ;return cylinders ;return number of  #2 for each  #1 ;return #1 where #3 is  8 ;return #4 on  1974 ;return weight of  #5 ;return smallest of  #6
['select', 'select', 'group', 'comparative', 'filter', 'project', 'aggregate']