which chassis were in use prior to 1988?
CREATE TABLE table_name_31 (chassis VARCHAR, year INTEGER)
SELECT chassis FROM table_name_31 WHERE year < 1988
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_31 (chassis VARCHAR, year INTEGER) Question: which chassis were in use prior to 1988? [/INST] SELECT chassis FROM table_name_31 WHERE year < 1988 </s>