What are the names of all songs that have a lower rating than some song of blues genre?
return songs ;return genre of #1 ;return #1 where #2 is  blues ;return ratings of #3 ;return ratings of #1 ;return #1 where #5 is  lower than any  #4 ;return the  names of #6
['select', 'project', 'comparative', 'project', 'project', 'comparative', 'project']