Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_23224961_1 ( niederbayern VARCHAR, oberbayern_b VARCHAR )

### Question ###
When esv ingolstadt is the oberbayern b what is the niederbayern?

### Accurate SQL ###

SELECT niederbayern FROM table_23224961_1 WHERE oberbayern_b = "ESV Ingolstadt"