What are the names, headquarters and revenues for manufacturers, sorted by revenue descending?
return manufacturers ;return revenue of  #1 ;return #1 sorted by #2 descending ;return the  names of  #3 ;return the  headquarters of  #3 ;return the  revenues of  #3 ;return #4 ,  #5 ,   #6
['select', 'project', 'sort', 'project', 'project', 'project', 'union']