What is K236AM's lowest frequency in MHz?
CREATE TABLE table_name_51 (frequency_mhz INTEGER, call_sign VARCHAR)
SELECT MIN(frequency_mhz) FROM table_name_51 WHERE call_sign = "k236am"
### Context: CREATE TABLE table_name_51 (frequency_mhz INTEGER, call_sign VARCHAR) ### Question: What is K236AM's lowest frequency in MHz? ### Answer: SELECT MIN(frequency_mhz) FROM table_name_51 WHERE call_sign = "k236am"