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 Ref_document_types ( document_type_name VARCHAR, document_type_description VARCHAR, document_type_code VARCHAR )

### Question ###
What is the name and description for document type code RV?

### Accurate SQL ###

SELECT document_type_name, document_type_description FROM Ref_document_types WHERE document_type_code = "RV"