James Guy (born 26 November 1995) is an English competitive swimmer who has represented Great Britain in the Olympic Games, the FINA World Championships and the LEN European championships, and England in the Commonwealth Games.
 Guy specialises in the 200- and 400-metre freestyle, and the 100-metre butterfly.
 He won two World Championship gold medals in the 200-metre freestyle and 4×200-metre freestyle relay event at the 2015 World Aquatics Championships.
 In 2016, he won silver in the 4x200m freestyle relay and the 4x100m medley relay at the Rio Olympics in 2016.
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.
Pieke ("Pie") Geelen (born October 20, 1972 in Nijmegen) is a former freestyle swimmer from the Netherlands, who competed for his native country at the 1996 Summer Olympics in Atlanta, Georgia.
 There he finished in fifth position with the Men's Relay Team in the 4x100m Freestyle, alongside Mark Veens, Martin van der Spoel, and Pieter van den Hoogenband.
Chen Yi (born February 10, 2001) is a Chinese swimmer.
 She won a gold medal at the Mixed 4x50meter freestyle relay-20 Points event at the 2016 Summer Paralympics, where she swam in the heats (with a time of 28.91) but not in the final race, where the team won with 2:18.03.
 She also won a silver medal at the Women's 100 metre Butterfly S10 event with 1:06.92 a bronze medal at the Women's 50m Freestyle S10 event with 28.21 and another bronze medal at the Women's 4x100m Freestyle Relay - 34 Points event with a personal time of 1:02.16 and a total team time of 4:24.22.
Daniela Schulte (born 30 June 1982 in Berlin) is a German Paralympic swimmer, competing in the S11 class.
 Having developed a genetically caused visual impairment aged nine, Schulte began to compete in swimming for competitors with a disability at the age of 13.
 A year later Schulte participated in the 1996 Summer Paralympics in Atlanta, winning gold medals with both the 4x100m freestyle and 4x100m medley relays B1-3 as well as two silver medals in the 100m freestyle and 200m individual medley B1 events.
 At the 2000 Summer Paralympics in Sydney, Schulte was able to add a silver medal in the 100m freestyle S11 to her tally.
Ryan Held (born June 27, 1995) is an American freestyle swimmer who specializes in the sprint events.
 At the 2016 US trials he qualified for the 2016 Summer Olympics as a member of the 4×100 meter freestyle relay team.
 In the Olympic heats, he swam a split time of 47.79 on the second leg, impressing the coaching staff enough to give him the nod to swim in the final.
 In the final he split 47.73 on the third leg, winning the gold medal together with Caeleb Dressel, Michael Phelps, and Nathan Adrian.
 Held's emotional outpouring on the medal stand was widely broadcast and made him a social media darling.
 He attended Christ the King grade school in Springfield, Illinois and attended high school at Sacred-Heart Griffin where he graduated in 2014.
 During his senior year in 2014, Held was named Illinois State Swimmer of the Year.
1997 FINA Short Course World Championships – Women's 4x100m Freestyle Relay
Amy Marren (born 14 August 1998) is a British Para swimmer who became the SM9 200m individual medley world champion at the 2013 IPC Swimming World Championships.
 At the same championships she also won gold in the S9 100m butterfly as well as being a part of the British women's relay teams who won both the 4x100m freestyle relay and the 4x100m medley relay (which broke the existing world record by 6 seconds, set by Great Britain in 2011).
 She also won silver medals in the S9 100m backstroke and the S9 100m freestyle in both races finishing behind fellow British teammate Stephanie Millward.
1997 FINA Short Course World Championships – Men's 4x100m Freestyle Relay
Susana Garabatos Rodríguez (born March 8, 1979 in Vigo, Pontevedra) is a former freestyle swimmer from Spain, who competed for her native country at the 1996 Summer Olympics in Atlanta, Georgia.
 There she was eliminated in the qualifying heats of the 4x100m Freestyle Relay, alongside Blanca Cerón, Fátima Madrid, and Claudia Franco

Question: Ryan Held was part of the 4x100m freestyle team in 2016 that included the swimmer with how many medals, most in history?
Answer: 28