How many tanks, armoured and non-armoured loses were estimated to have been lost?
return tanks ;return #1 that are armoured ;return #1 that are non-armoured ;return #2 that were lost ;return #3 that were lost ;return the  number of  #4 ;return the  number of  #5 ;return the  sum of #6 and  #7
['select', 'filter', 'filter', 'filter', 'filter', 'aggregate', 'aggregate', 'arithmetic']