CREATE TABLE table_1920271_2 (opponents VARCHAR, score VARCHAR)

How many times was the score 6 7(5), 6 2, 6 3?
SELECT COUNT(opponents) FROM table_1920271_2 WHERE score = "6–7(5), 6–2, 6–3"
SELECT COUNT("opponents") FROM "table_1920271_2" WHERE "6–7(5), 6–2, 6–3" = "score"