Find the names of the visitors whose membership level is higher than 4, and order the results by the level from high to low.
return visitors ;return membership levels of  #1 ;return #1 where #2 is  higher than 4 ;return names of  #3 ;return membership levels of  #3 ;return #4 sorted by #5 from  high to low
['select', 'project', 'comparative', 'project', 'project', 'sort']