Which type had an unknown manufacturer?
CREATE TABLE table_name_57 (type VARCHAR, manufacturer VARCHAR)
SELECT type FROM table_name_57 WHERE manufacturer = "unknown"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_57 (type VARCHAR, manufacturer VARCHAR) Question: Which type had an unknown manufacturer? [/INST] SELECT type FROM table_name_57 WHERE manufacturer = "unknown" </s>