How many more dollars did the V-22 Total cost of ownership per hour in 2013 compared to Sikorsky CH-53E Super Stallion cost per flight hour in 2007?
return the  V-22 ;return the  Sikorsky CH-53E Super Stallion ;return Total cost of ownership per  hour in  dollars of  #1 ;return #3 in  2013 ;return cost per  flight hour in  dollars of #2 ;return #5 in  2007 ;return the  difference of #4 and  #6
['select', 'select', 'project', 'filter', 'project', 'filter', 'arithmetic']