How many more men did the UN forces have throughout the course of the battle then they had at the start of the battle?
return the  UN forces ;return men of #1 ;return #2 throughout the  course of the     battle  ;return #2 at the  start of the     battle  ;return number of  #3 ;return number of  #4 ;return the  difference of #5 and  #6
['select', 'project', 'filter', 'filter', 'aggregate', 'aggregate', 'arithmetic']