What is the lowest episode number with 6.19 million viewers and a production code of icec487y?
CREATE TABLE table_2501754_4 (
    episode__number INTEGER,
    viewing_figures_millions VARCHAR,
    prod_code VARCHAR
)
SELECT MIN(episode__number) FROM table_2501754_4 WHERE viewing_figures_millions = "6.19" AND prod_code = "ICEC487Y"
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: What is the lowest episode number with 6.19 million viewers and a production code of icec487y? ### Input: CREATE TABLE table_2501754_4 (
    episode__number INTEGER,
    viewing_figures_millions VARCHAR,
    prod_code VARCHAR
) ### Response: SELECT MIN(episode__number) FROM table_2501754_4 WHERE viewing_figures_millions = "6.19" AND prod_code = "ICEC487Y"