How many more people lived in the city in 2010 comapred to 2000?
return the  city ;return people that lived in  #1 ;return #2 in  2010 ;return #2 in  2000 ;return number of  #3 ;return number of  #4 ;return difference of #5 and  #6
['select', 'project', 'filter', 'filter', 'aggregate', 'aggregate', 'arithmetic']