How many times has the score been 6 4, 3 6, [11 13]?
CREATE TABLE table_29163303_4 (
    opponent VARCHAR,
    score VARCHAR
)
SELECT COUNT(opponent) FROM table_29163303_4 WHERE score = "6–4, 3–6, [11–13]"
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: How many times has the score been 6 4, 3 6, [11 13]? ### Input: CREATE TABLE table_29163303_4 (
    opponent VARCHAR,
    score VARCHAR
) ### Response: SELECT COUNT(opponent) FROM table_29163303_4 WHERE score = "6–4, 3–6, [11–13]"