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_23927423_4 (relegated_to_league VARCHAR, relegated_from_league VARCHAR)

### Question ###
Who was relegated to league if Barking Birmingham & Solihull Stourbridge were relegated from league?

### Accurate SQL ###

SELECT relegated_to_league FROM table_23927423_4 WHERE relegated_from_league = "Barking Birmingham & Solihull Stourbridge"