How many episodes had a production code of 5m13?
CREATE TABLE table_20967430_4 (ep VARCHAR, prod_code VARCHAR)
SELECT COUNT(ep) FROM table_20967430_4 WHERE prod_code = "5M13"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_20967430_4 (ep VARCHAR, prod_code VARCHAR) Question: How many episodes had a production code of 5m13? [/INST] SELECT COUNT(ep) FROM table_20967430_4 WHERE prod_code = "5M13" </s>