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_24938621_3 (production_code VARCHAR, us_viewers__million_ VARCHAR)
### Question:
What is the production code of the episode that had 5.43 million viewers?
### Answer:
SELECT production_code FROM table_24938621_3 WHERE us_viewers__million_ = "5.43"