CREATE TABLE table_23224961_1 (oberbayern_b VARCHAR, oberpfalz VARCHAR)

When tus rosenberg is the oberpfalz what is the oberbayern b?
SELECT oberbayern_b FROM table_23224961_1 WHERE oberpfalz = "TuS Rosenberg"
SELECT "oberbayern_b" FROM "table_23224961_1" WHERE "TuS Rosenberg" = "oberpfalz"