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_39 ( year INTEGER, political_rights VARCHAR, status VARCHAR, civil_liberties VARCHAR )

### Question ###
What is the year average when not free was the status, and less than 7 was the civil liberties, and less than 6 political rights?

### Accurate SQL ###

SELECT AVG(year) FROM table_name_39 WHERE status = "not free" AND civil_liberties < 7 AND political_rights < 6