Which owner has a description of Mark 1 pos and is dated 1956?
CREATE TABLE table_name_18 (owner_s_ VARCHAR, date VARCHAR, description VARCHAR)
SELECT owner_s_ FROM table_name_18 WHERE date = 1956 AND description = "mark 1 pos"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_18 (owner_s_ VARCHAR, date VARCHAR, description VARCHAR) Question: Which owner has a description of Mark 1 pos and is dated 1956? [/INST] SELECT owner_s_ FROM table_name_18 WHERE date = 1956 AND description = "mark 1 pos" </s>