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 ( promoted_from_league VARCHAR, relegated_to_league VARCHAR )

### Question ###
How many were promoted from the league when Esher was relegated to the league?

### Accurate SQL ###

SELECT COUNT(promoted_from_league) FROM table_23927423_4 WHERE relegated_to_league = "Esher"