Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE artist (artist_name VARCHAR, country VARCHAR, rating INTEGER); CREATE TABLE song (artist_name VARCHAR, country VARCHAR, rating INTEGER)
### Question:
Find the names of the artists who are from Bangladesh and have never received rating higher than 7.
### Answer:
SELECT DISTINCT artist_name FROM artist WHERE country = "Bangladesh" EXCEPT SELECT DISTINCT artist_name FROM song WHERE rating > 7