Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: 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?

### Accurate SQL ###

SELECT challenge_winner FROM table_24798489_1 WHERE original_airdate = "January 28, 2009"