Detailed Instructions: In this task, you're given a passage, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.
Q: Passage: In the women's singles, WTA No. 49, twenty-two-year-old Estonian Kaia Kanepi defeated unseeded Petra Kvitova 63, 36, 61, to advance to the quarterfinals, her best result thus far in a Grand Slam tournament. World No. 4 Svetlana Kuznetsova matched her 2007 Roland-Garros performance by advancing to the quarterfinals, easily defeating sixteenth-seeded Victoria Azarenka (who had showed some good form in winning her first three matches for the loss of only six games) 62, 63. The first quarterfinal saw the highest seed remaining, Ana Ivanovic, beat tenth seed Patty Schnyder 63, 62, to reach her second consecutive semifinal at the French Open. She was joined in the afternoon by another 2007 French Open semifinalist, World No. 3 and Serbian No. 2 Jelena Jankovic, who dispatched nineteen-year-old Spanish qualifier Carla Suarez Navarro 63, 62, in little more than an hour.
Link Information: Svetlana Aleksandrovna Kuznetsova (; born 27 June 1985) Question: What was the combined ages of Victoria Azarenka and Svetlana Kuznetsova when Sventlana defeated Victoria in the quarterfinals?
A:
Answer: 40