How many more people were subscribed to the paper in 1904 over 1861 and 1869 combined?
return people ;return #1 that were subscribed to the  paper ;return #2 in  1904 ;return #2 in  1861 ;return #2 in  1869 ;return number of  #3 ;return number of  #4 ;return number of  #5 ;return the  sum of #7 and  #8 ;return the  difference of #6 and  #9
['select', 'filter', 'filter', 'filter', 'filter', 'aggregate', 'aggregate', 'aggregate', 'arithmetic', 'arithmetic']