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_name_21 (winning_score VARCHAR, date VARCHAR)

### Question ###
For the tournament played on 16 Jan 2011, what was the winning score?

### Accurate SQL ###

SELECT winning_score FROM table_name_21 WHERE date = "16 jan 2011"