Were more people under 18, or between the ages of 45 to 64?
return people ;return #1 that Were under 18 ;return #1 that Were between the  ages of 45 and  64 ;return number of  #2 ;return number of  #3 ;return which is highest of #4 ,  #5
['select', 'filter', 'filter', 'aggregate', 'aggregate', 'comparison']