What Chassis was driven by Otto Stuppacher?
CREATE TABLE table_name_12 (chassis VARCHAR, driver VARCHAR)
SELECT chassis FROM table_name_12 WHERE driver = "otto stuppacher"
### Context: CREATE TABLE table_name_12 (chassis VARCHAR, driver VARCHAR) ### Question: What Chassis was driven by Otto Stuppacher? ### Answer: SELECT chassis FROM table_name_12 WHERE driver = "otto stuppacher"