Which release had 6 DVDs?
CREATE TABLE table_25721_4 (release VARCHAR, _number_of_discs VARCHAR)
SELECT release FROM table_25721_4 WHERE _number_of_discs = 6
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_25721_4 (release VARCHAR, _number_of_discs VARCHAR) Question: Which release had 6 DVDs? [/INST] SELECT release FROM table_25721_4 WHERE _number_of_discs = 6 </s>