How many troops in all made up the People's Liberation Army and the Burmese Army?
return People 's Liberation Army  ;return Burmese Army  ;return troops of #1 ;return troops of #2 ;return the  number of  #3 ;return the  number of  #4 ;return the  sum of #5 and  #6
['select', 'select', 'project', 'project', 'aggregate', 'aggregate', 'arithmetic']