CREATE TABLE table_name_76 (m809_series VARCHAR2, wheelbase VARCHAR2, m939_series VARCHAR2)

Name the M809 series for short wheelbase and M939 series of M931/932
SELECT m809_series FROM table_name_76 WHERE wheelbase = "short" AND m939_series = "m931/932"
SELECT "m809_series" FROM "table_name_76" WHERE "m931/932" = "m939_series" AND "short" = "wheelbase"