What is the maximum length in meters for the bridges and what are the architects' names?
return bridges ;return lengths in  meters of #1 ;return the  highest of #2 ;return #1 where #2 is equal to #3 ;return architects of #4 ;return names of #5 ;return #6 ,  #3
['select', 'project', 'aggregate', 'comparative', 'project', 'project', 'union']