When was the person who became queen on 15 April 1820 born?
CREATE TABLE table_name_79 (
    birth VARCHAR,
    became_queen VARCHAR
)
SELECT birth FROM table_name_79 WHERE became_queen = "15 april 1820"
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: When was the person who became queen on 15 April 1820 born? ### Input: CREATE TABLE table_name_79 (
    birth VARCHAR,
    became_queen VARCHAR
) ### Response: SELECT birth FROM table_name_79 WHERE became_queen = "15 april 1820"