Who was the challenge winner in the episode that originally aired on January 28, 2009?
CREATE TABLE table_24798489_1 (challenge_winner VARCHAR, original_airdate VARCHAR)
SELECT challenge_winner FROM table_24798489_1 WHERE original_airdate = "January 28, 2009"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: 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? [/INST] SELECT challenge_winner FROM table_24798489_1 WHERE original_airdate = "January 28, 2009" </s>