Which year had more people working in agriculture, 1955 or 1980?
return people ;return #1 working in  agriculture ;return #2 in  1955 ;return #2 in  1980 ;return number of  #3 ;return number of  #4 ;return which is highest of #5 ,  #6
['select', 'filter', 'filter', 'filter', 'aggregate', 'aggregate', 'comparison']