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_2186447_1 (partner VARCHAR, score VARCHAR)
### Question:
How many partners were there when the score was 7–6 (7–4) , 6–3?
### Answer:
SELECT COUNT(partner) FROM table_2186447_1 WHERE score = "7–6 (7–4) , 6–3"