question: How many different results were there for the scores 6–7 (2–7) , 6–2, 7–6 (7–3)?
answer: SELECT COUNT(result) FROM table_29026564_9 WHERE score = "6–7 (2–7) , 6–2, 7–6 (7–3)"
context: CREATE TABLE table_29026564_9 (result VARCHAR, score VARCHAR)