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
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_21 (class VARCHAR, erp_w VARCHAR) Question: Which Class has an ERP W of 222? [/INST] SELECT class FROM table_name_21 WHERE erp_w = 222 </s>