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_18 ( year INTEGER, director VARCHAR )

### Question ###
What year is the latest year that has no under director?

### Accurate SQL ###

SELECT MAX(year) FROM table_name_18 WHERE director = "no"