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_24798489_1 (challenge_winner VARCHAR, original_airdate VARCHAR)
### Question:
Who was the challenge winner in the episode that originally aired on January 28, 2009?
### Answer:
SELECT challenge_winner FROM table_24798489_1 WHERE original_airdate = "January 28, 2009"