CREATE TABLE table_name_60 (oberliga_südwest VARCHAR(255), oberliga_baden_württemberg VARCHAR(255), season VARCHAR(255))
which Oberliga Südwes has an Oberliga Baden-Württemberg of sv sandhausen in 1984-85?
    
SQL: SELECT oberliga_südwest FROM table_name_60 WHERE oberliga_baden_württemberg = "sv sandhausen" AND season = "1984-85"