CREATE TABLE table_23927423_4 (promoted_from_league VARCHAR2, relegated_to_league VARCHAR2)

How many were promoted from the league when Esher was relegated to the league?
SELECT COUNT(promoted_from_league) FROM table_23927423_4 WHERE relegated_to_league = "Esher"
SELECT COUNT("promoted_from_league") FROM "table_23927423_4" WHERE "Esher" = "relegated_to_league"