Question: What year was Chuang Chia-jung's partner in the 2010 MPS Group Championships – Doubles born?

Context paragraphs:
2008 DFS Classic – Doubles: Chan Yung-jan and Chuang Chia-jung were the defending champions, but Chan chose not to participate, and only Chuang competed that year.

2009 LA Women's Tennis Championships – Doubles: Chan Yung-jan and Chuang Chia-jung were the defending champions, but Chan chose not to compete that year. <BR>Chuang partnered with Yan Zi, and they won in the final, 6–0, 4–6, 10–7, against Maria Kirilenko and Agnieszka Radwańska.

2009 Pattaya Women's Open – Doubles: Chan Yung-jan and Chuang Chia-jung are the defending champions but only Chuang Chia-jung participated this year.

2009 MPS Group Championships: The 2009 MPS Group Championships was a women's tennis tournament played on outdoor clay courts.  It was the 30th edition of the MPS Group Championships but first held in its new location, and was part of the International series of the 2009 WTA Tour.  It took place at the Sawgrass Country Club in Ponte Vedra Beach, Florida, from April 6 through April 12, 2009.  Caroline Wozniacki won the singles title.

2010 MPS Group Championships – Doubles: Chuang Chia-jung and Sania Mirza were the defenders of championship title, but Mirza chose not to compete.

2007 Pacific Life Open – Women's Doubles: Lisa Raymond and Samantha Stosur were the defending women's doubles champions at the 2007 Pacific Life Open tennis tournament played at the Indian Wells Tennis Garden in Indian Wells, California, USA.  They were seeded first of the 16 doubles teams that participated and extended their title by beating Chan Yung-jan and Chuang Chia-jung 6–3, 7–5 in the final.

2006 Hansol Korea Open – Doubles: Chan Yung-jan and Chuang Chia-jung were the defending champions, but Chan did not compete this year.  Chuang teamed up with Mariana Díaz Oliva and lost in the final to Virginia Ruano Pascual and Paola Suárez, 6–2, 6–3.

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.

Sania Mirza: Sania Mirza (] ; born 15 November 1986) is an Indian professional tennis player who was formerly ranked No. 1 in the women's doubles rankings.  From 2003 until her retirement from singles in 2013, she was ranked by the Women's Tennis Association as India's No. 1 player, both in singles and doubles.  Throughout her career, Mirza has established herself as the most successful female Indian tennis player ever and one of the highest-paid and high-profile athletes in the country.

2010 MPS Group Championships: The 2010 MPS Group Championships was a women's tennis tournament played on outdoor clay courts.  It was the 31st edition of the MPS Group Championships and the second held in its new location, and was part of the International series of the 2010 WTA Tour.  It took place at the Sawgrass Country Club in Ponte Vedra Beach, Florida, United States from April 5 through April 11, 2010.

Supporting paragraphs: 2010 MPS Group Championships – Doubles Sania Mirza
Answer: 1986