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_88 (m809_series VARCHAR, m939_series VARCHAR)

### Question ###
Name the M809 seris with M939 series of M931/932

### Accurate SQL ###

SELECT m809_series FROM table_name_88 WHERE m939_series = "m931/932"