How many more Italian casulties occured during the occupation of Yugoslavia than died during Operation Achse or after joining Yugoslav partisans?
return Italian casulties ;return #1 during  the  occupation of Yugoslavia ;return #1 during  Operation Achse ;return #1 after joining Yugoslav partisans ;return number of  #2 ;return number of  #3 ;return number of  #4 ;return sum of #6 and  #7 ;return the  difference of #5 and  #8
['select', 'filter', 'filter', 'filter', 'aggregate', 'aggregate', 'aggregate', 'arithmetic', 'arithmetic']