Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_81 (year INTEGER, engine VARCHAR, chassis VARCHAR)
### Question:
What is the latest year that has an engine of cosworth v8, with a chassis of hesketh 308e?
### Answer:
SELECT MAX(year) FROM table_name_81 WHERE engine = "cosworth v8" AND chassis = "hesketh 308e"