How many of the Marines light tactical vehicle fleet by 2017 will not consist of the A2 series?
return the  Marines ;return the  light tactical vehicle fleet of #1 ;return #2 in  2017 ;return #3 that will consist of the  A2 series ;return number of  #3 ;return number of  #4 ;return the  difference of #5 and  #6
['select', 'project', 'filter', 'filter', 'aggregate', 'aggregate', 'arithmetic']