Did less people work in agriculture in 1980 or 1955?
return agriculture ;return people work in  #1 ;return #2 in  1980 ;return #2 in  1955 ;return number of  #3 ;return number of  #4 ;return which is lowest of #5 ,  #6
['select', 'project', 'filter', 'filter', 'aggregate', 'aggregate', 'comparison']