Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_41 (call_sign VARCHAR, frequency_mhz VARCHAR, erp_w VARCHAR)

### Question ###
Which call sign has a frequency greater than 98.5MHz and ERP W under 155?

### Accurate SQL ###

SELECT call_sign FROM table_name_41 WHERE frequency_mhz > 98.5 AND erp_w < 155