What class of car had the XI Coppa Acerbo title?
CREATE TABLE table_name_31 (class VARCHAR, race_title VARCHAR)
SELECT class FROM table_name_31 WHERE race_title = "xi coppa acerbo"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_31 (class VARCHAR, race_title VARCHAR) Question: What class of car had the XI Coppa Acerbo title? [/INST] SELECT class FROM table_name_31 WHERE race_title = "xi coppa acerbo" </s>