Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_29163303_4 (opponent VARCHAR, score VARCHAR)
### Question:
How many times has the score been 6–4, 3–6, [11–13]?
### Answer:
SELECT COUNT(opponent) FROM table_29163303_4 WHERE score = "6–4, 3–6, [11–13]"