CREATE TABLE artist (artist_name TEXT, country TEXT, gender TEXT, preferred_genre TEXT)
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)

What are the names of the different artists from Bangladesh who never received a rating higher than a 7?
SELECT DISTINCT artist_name FROM artist WHERE country = "Bangladesh" EXCEPT SELECT DISTINCT artist_name FROM song WHERE rating > 7
SELECT DISTINCT "artist_name" FROM "artist" WHERE "Bangladesh" = "country" EXCEPT SELECT DISTINCT "artist_name" FROM "song" WHERE "rating" > 7