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_14835674_1 ( introductory_phrase VARCHAR, original_airdate VARCHAR )

### Question ###
What was the inroductory phase for the episode that originally aired january 21?

### Accurate SQL ###

SELECT introductory_phrase FROM table_14835674_1 WHERE original_airdate = "January 21"