Were more people between the ages of 25 to 44, or 45 to 64?
return people ;return #1 between the  ages of 25 to 44 ;return #1 between the  ages of 45 to 64 ;return number of  #2 ;return number of  #3 ;return difference of #4 and  #5
['select', 'filter', 'filter', 'aggregate', 'aggregate', 'arithmetic']