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_4 (class VARCHAR, frequency_mhz VARCHAR, city_of_license VARCHAR)
### Question:
What class has a MHZ frequency under 103.1 licensed in morro bay, california?
### Answer:
SELECT class FROM table_name_4 WHERE frequency_mhz < 103.1 AND city_of_license = "morro bay, california"