How many more men were part of Charles first battle compared to Charles third battle?
return Charles  ;return first battle  of #1 ;return third battle  of #1 ;return men that were part of #2 ;return men that were part of #3 ;return number of  #4 ;return number of  #5 ;return difference of #6 and  #7
['select', 'project', 'project', 'project', 'project', 'aggregate', 'aggregate', 'arithmetic']