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 Documents_Mailed ( document_id VARCHAR )
TABLE: CREATE TABLE Addresses ( document_id VARCHAR )

### Question ###
What address was the document with id 4 mailed to?

### Accurate SQL ###

SELECT Addresses.address_details FROM Addresses JOIN Documents_Mailed ON Documents_Mailed.mailed_to_address_id = Addresses.address_id WHERE document_id = 4