Question: In which Olympic Games, did this athlete recruited by Paul Ziert at University of Oklahoma win gold medals?

Context paragraphs:
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.

Bart Conner: Bart Conner (born March 28, 1958) is a retired American Olympic gymnast.  As a member of the men's gymnastics team at the 1984 Summer Olympic Games, Conner won two gold medals.  He currently owns and operates the Bart Conner Gymnastics Academy in Norman, Oklahoma, along with his wife, Romanian Olympic gold medalist Nadia Comăneci.  In addition, both Comăneci and Conner are highly involved with the Special Olympics.

David Hughes (sailor): David "Dave" Hughes (born January 22, 1978 in Ithaca, NY) - US Olympian, World champion, and professional sailor.  Hughes was a member of the 2016 US Olympic Team.  He is best known for his accomplishments on the Olympic sailing circuit as both an athlete and coach.  Hughes was a US Olympic Team coach at the 2012 London Olympics, coaching Erik Storck and Trevor Moore in the 49er class.  David is a 2x National champion and 3x North American champion in the 470 class.  He has won 5x World Cup Gold Medals and 2x European Championship medals.  Notable highlights include recent Gold Medals at the 2017, 2016, and 2013 Sailing World Cup Miami, 2015 Europeans Championships, 2015 Sailing World Cup Weymouth, as well as multiple medals in other Olympic and non-Olympic events, including winning the 2016 Melges 24 World Championship.  He burst onto the Olympic scene with a win at the 2005 Kiel Week Regatta with Michael Anderson-Mitterling.  After the 2012 Olympics, Hughes partnered with two-time Olympian Stuart McNay.  The two qualified together for the 2016 Olympic Games, representing the US in the Men's 470 two-person discipline.  Hughes has three-times been nominated for US Yachtsman of the Year.  He is a duel citizen of both the US and France.  He holds both Batchelor's and master's degrees; he was a US Senate, US House, and White House West Wing intern during years 1996-1998.  Hughes currently lives in Miami, FL.

Michael Phelps: Michael Fred Phelps II (born June 30, 1985) is an American former competitive swimmer and the most decorated Olympian of all time, with a total of 28 medals.  Phelps also holds the all-time records for Olympic gold medals (23), Olympic gold medals in individual events (13), and Olympic medals in individual events (16).  In winning eight gold medals at the 2008 Beijing Games, Phelps broke fellow American swimmer Mark Spitz's 1972 record of seven first-place finishes at any single Olympic Games.  At the 2004 Summer Olympics in Athens, Phelps had already tied the record of eight medals of any color at a single Games by winning six gold and two bronze medals.  At the 2012 Summer Olympics in London, Phelps won four gold and two silver medals, and at the 2016 Summer Olympics in Rio de Janeiro, he won five gold medals and one silver.  This made him the most successful athlete of the Games for the fourth Olympics in a row.

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.

Eric Heiden: Eric Arthur Heiden (born June 14, 1958) is an American physician and a former long track speed skater, road cyclist and track cyclist.  Heiden won an unprecedented five individual gold medals, and set four Olympic records and one world record at the 1980 Winter Olympic Games in Lake Placid, New York, United States.  He was the most successful athlete at those Olympic Games, single-handedly winning more gold medals than all nations except for the Soviet Union (10) and East Germany (9).  He is the most successful Winter Olympian from a single edition of any Winter Olympics.  He delivered the Athlete's Oath at those same 1980 Games.

Pamela Rai: Pamela Leila Rai (born March 29, 1966, in New Westminster, BC, Canada) is a former freestyle and butterfly swimmer who represented Canada from 1980 to 1987.  Rai competed at the 1984 Summer Olympics in Los Angeles, California where she won an Olympic bronze medal in the 4 × 100-metre medley relay, with teammates Anne Ottenbrite, Reema Abdo and Michelle MacPherson.  Rai successfully represented Canada at many international meets throughout her career.  Other notable accomplishments include University of Victoria Athlete of the Year 1986, City of Victoria Athlete of the Year 1985, 1983 Hapoel Games silver, 1983 Pan American Games silver, and 1986 Commonwealth Games gold medals.  From 1984 to 1987 Rai swam for the University of Victoria, where she dominated Canadian university women's swimming.  She graduated with a degree in Sociology and went on to attain a degree in Education from the University of British Columbia.  She is currently a high school math and social justice teacher.  Rai is also a certified yoga instructor trained in India of the Sivananda lineage.  Rai owns and operates Silent Motion Yoga in Nanaimo, British Columbia.  She is an honored inductee to the BC Sports Hall of Fame, the Swim BC Hall of Fame, the University of Victoria Sports Hall of Fame and the Delta Sports Hall of Fame.  Rai is the first woman in the world of Indian ancestry, and the first Indo-Canadian to win an Olympic medal.  In 1964, Rai's father, Harinder Jit Singh Rai was the first Indo-Canadian to qualify for an Olympic Games (field hockey).  His stellar skills led him to score the only goal at the qualifying match enabling Canada's field hockey team entry to the Olympic games for the first time.  Just prior to the 1964 Olympic Games in Tokyo, Japan, he was removed from the team by officials who favoured an all-white contingent.  Rai dedicated her 1984 Olympic success to her father who died from leukemia 3 months prior to her competing in the games.

Ralf Schumann: Ralf Schumann (born June 10, 1962) is a German 25 m Rapid Fire Pistol shooter.  He is a three-time Olympic Champion and twice the World Champion.  One of the most decorated shooters of the modern era, he is the first of two sport shooters to have won three Olympic gold medals in one individual event (25 metre rapid fire pistol) and became the first of three sport shooters to have won three Olympic individual gold medals.  He won the gold medals for the 25 metre rapid fire pistol event at the 1992, 1996 and 2004 Olympics and also won two silver medals at this event, becoming the most successful Olympic shooter at this event.  Schumann has participated in seven consecutive Olympic Games since 1988, setting a new record for most Olympic appearances by a German athlete.

Paul Ziert: Paul Ziert is a former University of Oklahoma gymnastics coach.  Ziert recruited Bart Conner to the school.  In 1977 and 1978, Ziert's teams won the NCAA Men's Gymnastics championship.

Lidiya Skoblikova: Lidiya Pavlovna Skoblikova (Russian: Лидия Павловна Скобликова ; born 8 March 1939) is a retired Russian speed skater and coach.  She represented the USSR Olympic team during the Olympic Winter Games in 1960 and 1964, and won a total of six gold medals, which is still a record for a speed skater.  She also won 25 gold medals at the world championships and 15 gold medals at the USSR National Championships in several distances.  She was also the first athlete to earn six gold medals in the Winter Olympics and the first to earn four gold medals at a single Olympic Winter Games.  She was the most successful athlete at the 1960 and 1964 Winter Olympics, sharing the honour for 1960 Games with her compatriot Yevgeny Grishin.

Supporting paragraphs: Paul Ziert Bart Conner
Answer: 1984 Summer Olympic Games