When did the ship that was commissioned July 1948 with a bow number of ps-31 launch?
CREATE TABLE table_name_22 (launched VARCHAR, commissioned VARCHAR, bow_number VARCHAR)
SELECT launched FROM table_name_22 WHERE commissioned = "july 1948" AND bow_number = "ps-31"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_22 (launched VARCHAR, commissioned VARCHAR, bow_number VARCHAR) Question: When did the ship that was commissioned July 1948 with a bow number of ps-31 launch? [/INST] SELECT launched FROM table_name_22 WHERE commissioned = "july 1948" AND bow_number = "ps-31" </s>