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_6013 ( "Type" text, "wheelbase" text, "M39 series" text, "M809 series" text, "M939 series" text )

### Question ###
Name the M809 series for short wheelbase and M939 series of M931/932

### Accurate SQL ###

SELECT "M809 series" FROM table_6013 WHERE "wheelbase" = 'short' AND "M939 series" = 'm931/932'