How many more people lived in Acalan in 1525 compared to 1553?
return Acalan ;return people lived in  #1 ;return #2 in  1525 ;return #2 in  1553 ;return number of  #3 ;return number of  #4 ;return difference of #5 and  #6
['select', 'project', 'filter', 'filter', 'aggregate', 'aggregate', 'arithmetic']