CREATE TABLE table_50609 ("Outcome" TEXT, "Date" FLOAT, "Tournament" TEXT, "Surface" TEXT, "Partner" TEXT, "Opponents in the final" TEXT, "Score in the final" TEXT)

Who was the partner for the match with a score in the final of 4 6, 6 7?
SELECT "Partner" FROM table_50609 WHERE "Score in the final" = '4–6, 6–7'
SELECT "Partner" FROM "table_50609" WHERE "Score in the final" = '4–6, 6–7'