question: Was more of the population under the age of 18 or between 18 to 24?
#1 return the  population 
#2 return ages of #1 
#3 return #1 where #2 is lower than 18 
#4 return #1 where #2 is higher than 18 
#5 return #4 where #2 is lower than 24 
#6 return number of  #3 
#7 return number of  #5 
#8 return which is highest of #6 ,  #7