What was the chassis of Emilio de Villota in 1981?
CREATE TABLE table_name_94 (chassis VARCHAR, year INTEGER)
SELECT chassis FROM table_name_94 WHERE year > 1981
### Context: CREATE TABLE table_name_94 (chassis VARCHAR, year INTEGER) ### Question: What was the chassis of Emilio de Villota in 1981? ### Answer: SELECT chassis FROM table_name_94 WHERE year > 1981