ใครคือคู่หูของ Petrova ซึ่งเธอทำคะแนนได้ 6–2 3–6 6–7 (7-9)?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
Who was Petrova's partner where she scored 6–2 3–6 6–7 (7-9)?It is not neccessary to use all the tables.
 table_27611593_5:  (partner [ VARCHAR ] score [ VARCHAR) ]
SELECT partner FROM table_27611593_5 WHERE score = "6–2, 3–6, 6–7 (7-9)"