What chassis did the porsche flat-4 use before 1958?
CREATE TABLE table_name_44 (chassis VARCHAR, engine VARCHAR, year VARCHAR)
SELECT chassis FROM table_name_44 WHERE engine = "porsche flat-4" AND year < 1958
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_44 (chassis VARCHAR, engine VARCHAR, year VARCHAR) Question: What chassis did the porsche flat-4 use before 1958? [/INST] SELECT chassis FROM table_name_44 WHERE engine = "porsche flat-4" AND year < 1958 </s>