Which Master lasted longer for the Livonian order, Ernst von Rassburg or Konrad von Mandern?
return Ernst von  Rassburg was  a Master for the  Livonian order ;return Konrad von  Mandern was  a Master for the  Livonian order ;return how long was  #1 ;return how long was  #2 ;return which is the  highest of #3 ,  #4
['select', 'select', 'project', 'project', 'comparison']