CREATE TABLE table_26416 ("Outcome" TEXT, "Year" FLOAT, "Championship" TEXT, "Surface" TEXT, "Partner" TEXT, "Opponents" TEXT, "Score" TEXT)

Name the number of partners for 5-7, 6-7 (5-7)
SELECT COUNT("Partner") FROM table_26416 WHERE "Score" = '5-7, 6-7 (5-7)'
SELECT COUNT("Partner") FROM "table_26416" WHERE "Score" = '5-7, 6-7 (5-7)'