CREATE TABLE files (f_id DECIMAL, artist_name TEXT, file_size TEXT, duration TEXT, formats TEXT)
CREATE TABLE song (song_name TEXT, artist_name TEXT, country TEXT, f_id DECIMAL, genre_is TEXT, rating DECIMAL, languages TEXT, releasedate TIME, resolution DECIMAL)
CREATE TABLE genre (g_name TEXT, rating TEXT, most_popular_in TEXT)
CREATE TABLE artist (artist_name TEXT, country TEXT, gender TEXT, preferred_genre TEXT)

What are the names of the songs that have a lower rating than at least one blues song?
SELECT song_name FROM song WHERE rating < (SELECT MAX(rating) FROM song WHERE genre_is = "blues")
SELECT "song_name" FROM "song" WHERE "rating" < (SELECT MAX("rating") FROM "song" WHERE "blues" = "genre_is")