What is the production code of the episode that had 5.43 million viewers?
CREATE TABLE table_24938621_3 (production_code VARCHAR, us_viewers__million_ VARCHAR)
SELECT production_code FROM table_24938621_3 WHERE us_viewers__million_ = "5.43"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: 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? [/INST] SELECT production_code FROM table_24938621_3 WHERE us_viewers__million_ = "5.43" </s>