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_49 (class VARCHAR, frequency_mhz INTEGER)
### Question:
What class is assigned to frequencies lower than 90.5?
### Answer:
SELECT class FROM table_name_49 WHERE frequency_mhz < 90.5