state the number of surface where championship is australian open and score in the final is 6 3, 4 6, 11 9
CREATE TABLE table_1918850_2 (
    surface VARCHAR,
    championship VARCHAR,
    score_in_the_final VARCHAR
)
SELECT COUNT(surface) FROM table_1918850_2 WHERE championship = "Australian Open" AND score_in_the_final = "6–3, 4–6, 11–9"
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: state the number of surface where championship is australian open and score in the final is 6 3, 4 6, 11 9 ### Input: CREATE TABLE table_1918850_2 (
    surface VARCHAR,
    championship VARCHAR,
    score_in_the_final VARCHAR
) ### Response: SELECT COUNT(surface) FROM table_1918850_2 WHERE championship = "Australian Open" AND score_in_the_final = "6–3, 4–6, 11–9"