Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_15187735_4 (episode INTEGER, netflix VARCHAR)
### Question:
What is the first episode with a netflix episode code of s02e20?
### Answer:
SELECT MIN(episode) FROM table_15187735_4 WHERE netflix = "S02E20"