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_28138035_4 (womens_doubles VARCHAR, mens_singles VARCHAR)

### Question ###
Name the womens doubles for werner schlager

### Accurate SQL ###

SELECT womens_doubles FROM table_28138035_4 WHERE mens_singles = "Werner Schlager"