What is the first episode with a netflix episode code of s02e20?
CREATE TABLE table_15187735_4 (episode INTEGER, netflix VARCHAR)
SELECT MIN(episode) FROM table_15187735_4 WHERE netflix = "S02E20"
### 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"