Who was the grandmaster the longest, Gottfried von Rogga or  Wilhelm von Vrymersheim ?
return Gottfried von  Rogga was  a grandmaster ;return Wilhelm von  Vrymersheim was  a grandmaster ;return how long was  #1 ;return how long was  #2 ;return which is the  highest of #3 ,  #4
['select', 'select', 'project', 'project', 'comparison']