How many production codes are there for the episode that had 4.36 million u.s. viewers?
CREATE TABLE table_28037619_2 (production_code VARCHAR, us_viewers__million_ VARCHAR)
SELECT COUNT(production_code) FROM table_28037619_2 WHERE us_viewers__million_ = "4.36"
### Context: CREATE TABLE table_28037619_2 (production_code VARCHAR, us_viewers__million_ VARCHAR) ### Question: How many production codes are there for the episode that had 4.36 million u.s. viewers? ### Answer: SELECT COUNT(production_code) FROM table_28037619_2 WHERE us_viewers__million_ = "4.36"