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_76 ( city_of_license VARCHAR, frequency_mhz VARCHAR, erp_w VARCHAR, class VARCHAR )

### Question ###
What city of license has an ERP W smaller than 500, Class A, and Frequency MHz larger than 89.7?

### Accurate SQL ###

SELECT city_of_license FROM table_name_76 WHERE erp_w < 500 AND class = "a" AND frequency_mhz > 89.7