How many release dates does volume 4 DVD have?
CREATE TABLE table_1467951_4 (release_date VARCHAR, dvd_name VARCHAR)
SELECT COUNT(release_date) FROM table_1467951_4 WHERE dvd_name = "Volume 4"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1467951_4 (release_date VARCHAR, dvd_name VARCHAR) Question: How many release dates does volume 4 DVD have? [/INST] SELECT COUNT(release_date) FROM table_1467951_4 WHERE dvd_name = "Volume 4" </s>