What class is assigned to frequencies lower than 90.5?
CREATE TABLE table_name_49 (class VARCHAR, frequency_mhz INTEGER)
SELECT class FROM table_name_49 WHERE frequency_mhz < 90.5
### 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