Question: Who reached a higher ranking in their career, Hsieh Su-wei or Elena Bovina?

Context paragraphs:
Peng Shuai: Peng Shuai (; ; born 8 January 1986) is a Chinese professional female tennis player.  She reached a career high ranking of World No. 1 in doubles by the Women's Tennis Association on 17 February 2014, making her the first Chinese professional tennis player (male or female, and in singles or doubles) to reach World No. 1.  She won a gold medal at the 2010 Asian Games, defeating Akgul Amanmuradova in the final.  At the 2013 Wimbledon Championships, Peng won her first ladies' double championship with Hsieh Su-wei of Taiwan and again won at the 2014 French Open with Hsieh.

2015 Qatar Total Open – Doubles: Hsieh Su-wei and Peng Shuai were the defending champions, but Peng decided not to compete this year.  Hsieh played alongside Sania Mirza, but lost in the final to Raquel Kops-Jones and Abigail Spears, 4–6, 4–6.

2015 French Open – Women's Doubles: Hsieh Su-wei and Peng Shuai were the defending champions, but Peng chose not to participate this year.  Hsieh played alongside Flavia Pennetta, but lost in the quarterfinals to Andrea Hlaváčková and Lucie Hradecká.

Hsieh Su-wei: Hsieh Su-wei (born January 4, 1986) is a professional female tennis player from Taiwan.  s of 25 2013 she was ranked No. 23 in the WTA Tour singles rankings and is the highest-ranked Taiwanese women's singles player ever.  Currently she is the top-ranked WTA player from Taiwan in both singles and doubles.

2009 Hansol Korea Open – Doubles: Chuang Chia-jung and Hsieh Su-wei were the defending champion, but Hsieh chose not to participate that year.  Chuang partnered with Yan Zi, but they lost in the semifinals against Chan Yung-jan and Abigail Spears. Chan Yung-jan and Abigail Spears won in the final 6–3, 6–4 against Carly Gullickson and Nicole Kriz.

2015 BNP Paribas Open – Women's Doubles: Hsieh Su-wei and Peng Shuai were the defending champions, but Peng withdrew from the tournament with a back injury.  Hsieh played alongside Flavia Pennetta, but lost in the first round to Klaudia Jans-Ignacik and Andreja Klepač.

2004 Toray Pan Pacific Open – Doubles: Elena Bovina and Rennae Stubbs were the defending champions, but had different outcomes.  While Bovina did not compete this year, Stubbs pertnered with Cara Black and successfully defended her title, defeating Elena Likhovtseva and Magdalena Maleeva 6–0, 6–1 in the final.  It was the 2nd title in the year for the pair, and the 14th title for Black and 44th title for Stubbs, in their respective careers.

2014 BNP Paribas Open – Women's Doubles: Ekaterina Makarova and Elena Vesnina were the defending champions, but lost in the quarterfinals to Cara Black and Sania Mirza. <br>Hsieh Su-wei and Peng Shuai won the title, defeating Black and Mirza in the final, 7–6, 6–2.

2013 ITF Women's Circuit – Wenshan – Doubles: Hsieh Shu-ying and Hsieh Su-wei were the defending champions, having won the event in 2012, but Hsieh Su-wei chose not to participate.  Hsieh Shu-ying paired up with Zhu Aiwen but lost in the first round to Li Ting and Zhang Kailin.

Elena Bovina: Elena Olegovna Bovina (Елена Олеговна Бовина ) (born 10 March 1983) is a professional tennis player from Russia.  She reached her career-high singles ranking of World No. 14 in April 2005.  Her best performance at a Grand Slam came when she got to the quarter finals of the 2002 US Open, defeating Clarisa Fernández, Jelena Dokic, Stéphanie Foretz and Francesca Schiavone before losing to Lindsay Davenport.

Supporting paragraphs: Hsieh Su-wei Elena Bovina
Answer: Elena Olegovna Bovina