CREATE TABLE table_25740 ("Season" TEXT, "Oberbayern A" TEXT, "Oberbayern B" TEXT, "Niederbayern" TEXT, "Schwaben" TEXT, "Oberpfalz" TEXT)

When fc oberau is the oberbayern a what is the oberpfalz?
SELECT "Oberpfalz" FROM table_25740 WHERE "Oberbayern A" = 'FC Oberau'
SELECT "Oberpfalz" FROM "table_25740" WHERE "Oberbayern A" = 'FC Oberau'