Which chassis has an Alfa Romeo flat-12 engine.
CREATE TABLE table_name_76 (chassis VARCHAR, engine VARCHAR)
SELECT chassis FROM table_name_76 WHERE engine = "alfa romeo flat-12"
### Context: CREATE TABLE table_name_76 (chassis VARCHAR, engine VARCHAR) ### Question: Which chassis has an Alfa Romeo flat-12 engine. ### Answer: SELECT chassis FROM table_name_76 WHERE engine = "alfa romeo flat-12"