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 table_name_13 (class VARCHAR, call_sign VARCHAR)
### Question:
What is the class of the w267an call sign?
### Answer:
SELECT class FROM table_name_13 WHERE call_sign = "w267an"