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_14904221_1 (womens_singles VARCHAR, year VARCHAR)

### Question ###
Who won women's singles in 2001?

### Accurate SQL ###

SELECT womens_singles FROM table_14904221_1 WHERE year = 2001