CREATE TABLE table_23944006_4 (partner VARCHAR, score VARCHAR)

Name the number of partners for 5-7, 6-7 (5-7)
SELECT COUNT(partner) FROM table_23944006_4 WHERE score = "5-7, 6-7 (5-7)"
SELECT COUNT("partner") FROM "table_23944006_4" WHERE "5-7, 6-7 (5-7)" = "score"