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 song (song_name VARCHAR, rating INTEGER, genre_is VARCHAR)
### Question:
What are the names of all songs that have a lower rating than some song of blues genre?
### Answer:
SELECT song_name FROM song WHERE rating < (SELECT MAX(rating) FROM song WHERE genre_is = "blues")