Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: 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?

### Accurate SQL ###

SELECT MAX(year) FROM table_name_81 WHERE engine = "cosworth v8" AND chassis = "hesketh 308e"