SCHEMA:
CREATE TABLE table_name_52 (facility_id INTEGER, city_of_license VARCHAR, erp_kw VARCHAR)
USER:
What is the Facility ID that has a City of license of wheeling, and a ERP kW less than 4.5?

QUERY:
SELECT MAX(facility_id) FROM table_name_52 WHERE city_of_license = "wheeling" AND erp_kw < 4.5