Table schema:
CREATE TABLE table_name_70 (erp_w INTEGER, city_of_license VARCHAR, frequency_mhz VARCHAR)

Question: What is the average value of ERP W in Beardstown, Illinois for a frequency greater than 93.5?
SQL: SELECT AVG(erp_w) FROM table_name_70 WHERE city_of_license = "beardstown, illinois" AND frequency_mhz > 93.5