Who was promoted to the league when Coventry was relegated to the league?
CREATE TABLE table_23927423_4 (
    promoted_to_league VARCHAR,
    relegated_to_league VARCHAR
)
SELECT promoted_to_league FROM table_23927423_4 WHERE relegated_to_league = "Coventry"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Who was promoted to the league when Coventry was relegated to the league? ### Input: CREATE TABLE table_23927423_4 (
    promoted_to_league VARCHAR,
    relegated_to_league VARCHAR
) ### Response: SELECT promoted_to_league FROM table_23927423_4 WHERE relegated_to_league = "Coventry"