What was the minimum operating system required by Stunlock Studios' game?
CREATE TABLE table_name_91 (required_os VARCHAR, developer_s_ VARCHAR)
SELECT required_os FROM table_name_91 WHERE developer_s_ = "stunlock studios"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_91 (required_os VARCHAR, developer_s_ VARCHAR) Question: What was the minimum operating system required by Stunlock Studios' game? [/INST] SELECT required_os FROM table_name_91 WHERE developer_s_ = "stunlock studios" </s>