Which episode was N/A in region 1
CREATE TABLE table_15823956_1 (episodes VARCHAR, region_1 VARCHAR)
SELECT episodes FROM table_15823956_1 WHERE region_1 = "N/A"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_15823956_1 (episodes VARCHAR, region_1 VARCHAR) Question: Which episode was N/A in region 1 [/INST] SELECT episodes FROM table_15823956_1 WHERE region_1 = "N/A" </s>