Eric Medlen (August 13, 1973 – March 23, 2007) was an NHRA Fuel Funny Car driver.
 Medlen drove for John Force Racing in 2004, 2005 and 2006, campaigning in the Castrol Syntec Ford Mustang Fuel Funny Car, and in 2007, campaigning in the Auto Club/Pleasant Holiday Ford Mustang Fuel Funny Car.
 He had a total of 6 career wins.
 His first win came during his Rookie season in 2004 at Brainerd International Raceway.
Tony Pedregon (born March 8, 1965) is a 2-time NHRA Mello Yello Drag Racing Series Funny Car Champion from Torrance, California.
 He is also the youngest of the Pedregon brothers.
 His brother Cruz Pedregon is the 1992 and 2008 NHRA Mello Yello Series Funny Car Champion.
Brittany Force (born July 8, 1986) is a drag racer currently competing in the NHRA.
 Force races Top Fuel dragsters.
 She is the daughter of drag racer John Force and the sister of fellow racers Courtney Force and Ashley Force Hood.
Del Worsham (born February 11, 1970 in Whittier, California) is an NHRA Funny car driver who began his professional career as a driver in Pomona, California, in 1990.
 Worsham drives a Lucas Oil sponsored car Worsham Racing, a family team.
 Through the first five races of the 2011 season, he has amassed 33 career victories, eight in the Top Fuel Series and 25 in the Funny Car Series.
 In 1991, Worsham became the youngest driver (age 21) to win a Funny Car event and went on to win the NHRA Rookie of the Year.
 His best finish in the Point Standings first came in 2011 when he won the NHRA Full Throttle Championship in Top Fuel.
 In 2015, Worsham won the NHRA Mello Yello Championship in Funny Car.
 He becomes the third driver to win championships in both Top Fuel and Funny Car, joining Kenny Bernstein and Gary Scelzi in this category.
Ashley Force Hood (born November 29, 1982) is a former Top Fuel Funny Car (TF/FC) drag racer for John Force Racing.
 She is the daughter of 16-time NHRA Top Fuel Funny Car national champion John Force and Laurie Force.
 She is married to Daniel Hood, who works for John Force Racing.
 She was on hiatus from racing in 2011 as the couple expected their first child.
 Since their child's birth, Force Hood has announced her retirement from competitive racing.
Courtney Force-Rahal (born June 20, 1988) is a drag racer currently competing in the NHRA.
 She currently drives the Advance Auto Parts Chevy Camaro SS Funny Car for John Force Racing.
 She is the youngest daughter of 16-time NHRA World Funny Car Champion John Force and his wife Laurie.
 She is a graduate of Cal State Fullerton having majored in Communications.
 On July 19, 2009, Courtney won her first national event in the Top Alcohol Dragster category at the 22nd annual NHRA Northwest Nationals in Seattle, Washington.
 After her sister Ashley Force Hood announced her retirement from competitive racing, Courtney became the fourth driver for John Force Racing.
 On July 27, 2014 Courtney passed her sister for the record of most Funny Car wins by a female driver in NHRA history.
John Harold Force (born May 4, 1949 in Bell Gardens, California) is an American NHRA drag racer.
 He is a 16-time Funny Car champion driver and an 18-time champion car owner.
 Force owns and drives for John Force Racing.
 He is one of the most dominant drag racers in the sport with 144 career victories.
 He graduated from Bell Gardens High School and briefly attended Cerritos Junior College to play football.
 He is the father of drag racers Ashley Force Hood, Brittany Force, and Courtney Force.
 His oldest daughter Adria Hight is the CFO of John Force Racing [JFR].
John Force Racing is an NHRA drag racing team.
 In over 30 years of competition, John Force Racing has won 18 Funny Car championships.
 The current line-up of drivers includes John Force, Robert Hight, Courtney Force, and Brittany Force.
 Past drivers include John's daughter Ashley Force Hood, team crew chief Mike Neff, Eric Medlen, who lost his life while racing for the team and whose number 4 appears on all their cars, Tony Pedregon, who was the first driver other than Force to win a series championship driving for the team, and Gary Densham.
Matt Hagan is a professional NHRA funny car driver for Don Schumacher Racing.
 Most notably, he was the 2011 and 2014 NHRA Funny Car World Champion.
 He has had a total of 25 Career Event titles, 38 Career Final Rounds, and 21 Career No.1 qualifying positions.
 He is a part of the Mopar/Rocky Boots funny car team led by Dickie Venables.
Leah C. Pritchett (née Pruett, born May 26, 1988 in Redlands, California) is an American drag racer, currently driving an NHRA Top Fuel dragster for Don Schumacher Racing after previously being employed at Bob Vandergriff Racing before the company closed in April 2016.
 Her first career national event win on the professional level came February 28, 2016 at the Carquest Auto Parts NHRA Nationals in Chandler, Arizona, defeating Brittany Force in the first all-female final round in Top Fuel since 1982.
 Pritchett debuted in Top Fuel in 2013 with Dote Racing after previously competing in Pro Mod and Nostalgia Funny Car.
 Papa John's and FireAide 2000 have returned as primary sponsors for Pritchett during the 2017 NHRA Mello Yello Drag Racing Series season.

Question: Brittany Force is the daughter of which 16-time champion in Funny Car?
Answer: John Harold Force