Name the womens doubles for werner schlager
CREATE TABLE table_28138035_4 (
    womens_doubles VARCHAR,
    mens_singles VARCHAR
)
SELECT womens_doubles FROM table_28138035_4 WHERE mens_singles = "Werner Schlager"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Name the womens doubles for werner schlager ### Input: CREATE TABLE table_28138035_4 (
    womens_doubles VARCHAR,
    mens_singles VARCHAR
) ### Response: SELECT womens_doubles FROM table_28138035_4 WHERE mens_singles = "Werner Schlager"