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 dorm (dorm_name VARCHAR, dormid VARCHAR); CREATE TABLE has_amenity (dorm_name VARCHAR, dormid VARCHAR)
### Question:
Find the name of dorms that do not have any amenity
### Answer:
SELECT dorm_name FROM dorm WHERE NOT dormid IN (SELECT dormid FROM has_amenity)