Which side suffered more casualties, the Federales or the Americans?
return the  Federales ;return the  Americans ;return casualties suffered of #1 ;return casualties suffered of #2 ;return number of  #3 ;return number of  #4 ;return which is more of #5 ,  #6
['select', 'select', 'project', 'project', 'aggregate', 'aggregate', 'comparison']