How many more votes were there for a declaration of war on Germany than against it?
return votes ;return #1 that were for a declaration of war on Germany ;return #1 that were against a declaration of war on Germany ;return number of  #2 ;return number of  #3 ;return the  difference of #4 and  #5
['select', 'filter', 'filter', 'aggregate', 'aggregate', 'arithmetic']