CREATE TABLE table_23224961_1 (niederbayern VARCHAR, oberbayern_b VARCHAR)

When esv ingolstadt is the oberbayern b what is the niederbayern?
SELECT niederbayern FROM table_23224961_1 WHERE oberbayern_b = "ESV Ingolstadt"
SELECT "niederbayern" FROM "table_23224961_1" WHERE "ESV Ingolstadt" = "oberbayern_b"