Which Class has an ERP W of 222?
CREATE TABLE table_name_21 (class VARCHAR, erp_w VARCHAR)
SELECT class FROM table_name_21 WHERE erp_w = 222
### Context: CREATE TABLE table_name_21 (class VARCHAR, erp_w VARCHAR) ### Question: Which Class has an ERP W of 222? ### Answer: SELECT class FROM table_name_21 WHERE erp_w = 222