Question: When was the Indian professional badminton player defeated by Carolina Marín in Olympics gold medal in women's singles at the 2016 Rio Olympics born? 

full_context: Document 1: 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.
Document 2: Carolina Marín: Carolina María Marín Martín (born 15 June 1993) is a professional badminton player from Spain. She is the Olympic Champion, two time World Champion, three time European Champion and the former World No.1 in BWF rankings for the badminton women's singles. Carolina Marin is currently ranked No. 4 in the World by Badminton World Federation. She became the World Champion in women's singles two times in a row in 2014 and 2015. She won her first Olympics gold medal in women's singles at the 2016 Rio Olympics after defeating P. V. Sindhu of India.
Document 3: Petra Kvitová career statistics: This is a list of the main career statistics of Czech professional tennis player Petra Kvitová. To date, Kvitová has won 20 singles titles including two Grand Slam singles titles at the Wimbledon Championships, one WTA Tour Championships singles title, two WTA Premier Mandatory singles titles and four WTA Premier 5 singles titles. She was also the bronze medallist at the 2016 Rio Olympics, a semifinalist at the 2010 Wimbledon Championships, 2012 Australian Open and 2012 French Open and a quarterfinalist at the 2011 Australian Open, 2012 Wimbledon Championships, 2013 Wimbledon Championships, 2015 US Open and 2017 US Open. Kvitová reached her career-high ranking of world no. 2 on 31 October 2011.
Document 4: Valiyaveetil Diju: Valiyaveetil Diju (Malayalam: വലിയവീട്ടില്‍ ദിജു ; born 4 January 1981), also known as V. Diju, is an Indian badminton player from Kozhikode, Kerala. He, along with partner Jwala Gutta, is the current national mixed-doubles champions and the pair are currently ranked 7th in the world by Badminton World Federation. He is the winner of Arjuna Award 2014, given by the Ministry of Youth Affairs and Sports, government of India to recognize his outstanding achievement in National sports. He is also the winner of G. V. Raja awards, which is the highest government-level recognition for sports persons in Kerala. He is winner of Jimmy George award 2014.He is also winner of Vivekanandha sports excellence award 2014. He won the Youth excellence award also in 2014. He is only the second badminton player from the state, after Vimal Kumar, to represent India in Olympics.
Document 5: Lin Dan: Lin Dan (born October 14, 1983) is a Chinese professional badminton player. He is a two-time Olympic champion, five-time World champion, as well as a six-time All England champion.
Document 6: Martina Hingis: Martina Hingis (born 30 September 1980) is a Swiss professional tennis player, a former world No. 1 singles player and currently ranked world No. 2 in doubles by the WTA. She has spent a total of 209 weeks as the singles No. 1 and has won five Grand Slam singles titles, thirteen Grand Slam women's doubles titles, winning a calendar-year doubles Grand Slam in 1998, and seven Grand Slam mixed doubles titles; for a combined total of twenty-five major titles. In addition, she has won the season-ending WTA Championships two times in singles and three times in doubles, and an Olympic silver medal.
Document 7: P. V. Sindhu: Pusarla Venkata Sindhu (born 5 July 1995) is an Indian professional badminton player, who is currently world no 2 in the BWF World Ranking. At the 2016 Summer Olympics, she became the first Indian woman to win an Olympic silver medal. She is one of the two Indian badminton players to ever win an Olympic medal – other being Saina Nehwal. She was also a silver medalist at the 2017 BWF World Championships and, in 2017, became first Indian ever to win Korea Open Super Series.
Document 8: Liliyana Natsir: Liliyana Natsir (born 9 September 1985) is an Indonesian female badminton player who specializes in doubles. With one gold and silver from Olympic Games and four gold medals at BWF World Championships, she is regarded as one of the greatest mixed doubles players in the history. She gained huge success by partnering with two different players. Her current partner is Tontowi Ahmad since 2011, after separating from her previous partner, Nova Widianto. She also won three titles in a row from 2012–2014 at All England Badminton Championships, one of the most prestigious and oldest tournament in the sport. Been entering the top level since 18 years old, her tactical awareness, game vision, and dominance at the front court are considered as one of the best in the tour. In 2016, she and Tontowi Ahmad became the first Indonesian mixed doubles pair to win gold medal at the Olympic Games by beating Chan Peng Soon and Goh Liu Ying of Malaysia.
Document 9: Marija Ulitina: Marija Ulitina (born 5 November 1991) is a badminton player from Ukraine and the National Champion of Ukraine. She represented Ukraine in the 2016 Summer Olympics and proceeded to the knockout round after defeating the former world number one Saina Nehwal of India and Lohaynny Vicente of Brazil in the group stage.
Document 10: Vishnu Vardhan: Vishnu Vardhan (born 27 July 1987), also known as J. Vishnuvardhan, is a professional tennis player from India, ranked in the top 300 on the ATP Tour as of 9 July 2012. He was a member of the bronze medalist Indian men's team for 2010 Asian games in Guangzhou, China. He paired-up with and Sania Mirza for mixed doubles and won silver medal. He won the national singles title for the fourth time by winning the Men's final of Fenesta Open tennis Championship on October 8, 2016
Document 11: Garbiñe Muguruza: Garbiñe Muguruza Blanco (] ; born 8 October 1993) is a Spanish-Venezuelan tennis player who is currently ranked world No. 1 in singles by the Women's Tennis Association (WTA). Since turning professional in 2012, she has won five singles titles, including two majors at the 2016 French Open and the 2017 Wimbledon Championships.
Document 12: Lee Chong Wei career statistics: This is a list of the main career statistics of Malaysian professional badminton player, Lee Chong Wei. To date, Lee has won sixty three singles titles, including eleven Super Series Premier titles, twenty-eight Super Series titles, and four Super Series Finals titles. He is the first men's singles player to win at least once in different Super Series Premier titles. He is also a Silver medalist at the 2008 Summer Olympics, 2012 Summer Olympics and the 2016 Summer Olympics. He is the runner-up at the 2011 BWF World Championships, 2013 BWF World Championships and 2015 BWF World Championships. His achievement as the runner-up at the 2014 BWF World Championships was canceled due to doping violations. Following that matter, he served an 8-month suspension from international competitions.
Document 13: Woon Khe Wei: Janice Woon Khe Wei (born 18 March 1989) is a Malaysian professional badminton player in the doubles event. Her current partner is Vivian Hoo Kah Mun. Together, they have ranked as high as No. 9 worldwide. Being a regular women's doubles player in super series tournament, Woon has achieved success with Hoo. They won a gold medal at 2014 Commonwealth Games in Glasgow and they also reached the quarterfinals in the 2016 Rio Olympics.
Document 14: Saina Nehwal: Saina Nehwal (   ; born 17 March 1990) is an Indian professional badminton singles player. She is one of the greatest players of her time. Nehwal, the former world no. 1 has won over twenty one international titles, which include ten Superseries titles. Although she reached to the world no. 2 ranking in 2009, it was only in 2015 that she was able to attain the world no. 1 ranking. And thereby becoming the only female player from India and overall the second Indian player – after Prakash Padukone – to achieve this feat. She has represented India three times in the Olympics, winning bronze medal in her second appearance.
Document 15: Zhao Yunlei: Zhao Yunlei (born August 25, 1986) is a mixed and women's doubles badminton athlete from China. She graduated with a BA from Huazhong University of Science and Technology. She is the first and only badminton player to have ever won two Gold medals in the same Olympic edition, winning in both the Mixed and Women's Doubles categories in 2012. Zhao joins the ranks with nine other players with two Olympic Gold Medals, the highest number of Gold Medals won by any badminton athlete. Through her performance at the 2014 and 2015 BWF World Championships, she became the first player to win two consecutive gold medals in two consecutive BWF World Championships.
ground_truth: 5 July 1995