How many more people lived in the US in 1810 compared to 1790?
return US ;return people who  lived in  #1 ;return #2 in  1810 ;return #2 in  1790 ;return the  number of  #3 ;return the  number of  #4 ;return the  difference of #5 and  #6
['select', 'project', 'filter', 'filter', 'aggregate', 'aggregate', 'arithmetic']