Question: Roehrig Motorsports entered into a partnership in 1999 with the track athlete who was famous for what two sports?

Context articles: Best Male Track Athlete ESPY Award
Jeff Demps
Jackie Joyner-Kersee
Tonga at the 2008 Summer Olympics
Best Female Track Athlete ESPY Award
WP Motorsports
Roehrig Motorsports
Best Track and Field Athlete ESPY Award
2006 Formula Ford 2000 Championship Series
Kurt Roehrig

The Best Male Track Athlete ESPY Award was presented annually between 1993 and 2006 to the male track and field athlete, irrespective of nationality, adjudged to be the best in a given calendar year.
 Beginning in 2007, this award was combined with the parallel Best Female Track Athlete ESPY Award into the single Best Track and Field Athlete ESPY Award.
Jeffery Barnard Demps (born January 8, 1990) is an American football running back.
 Demps is also a track and field athlete.
 He attended the University of Florida, where he was a running back for the Florida Gators football team and a sprinter for the Florida Gators track and field team.
 He is the only Florida Gator athlete to have won national championships in two sports with his 2009 BCS National Championship and multiple indoor and outdoor track titles over his four-year career.
 Demps matched the 100 meters world junior record with a time of 10.01 seconds in June 2008.
 In January 2012, Demps decided to focus on the 2012 United States Olympic Trials instead of the 2012 NFL Draft, pursuing a career in track rather than professional football.
 After winning a silver medal at the 2012 Summer Olympics, Demps signed a contract with the NFL's New England Patriots on August 17, 2012.
 He is currently a free agent.
Jacqueline "Jackie" Joyner-Kersee (born March 3, 1962) is an American retired track and field athlete, ranked among the all-time greatest athletes in the heptathlon as well as long jump.
 She won three gold, one silver, and two bronze Olympic medals, in those two events at four different Olympic Games. "
Sports Illustrated for Women" magazine voted Joyner-Kersee the Greatest Female Athlete of All-Time.
Tonga competed at the 2008 Summer Olympics, that celebrated in Beijing, China, from August 8 to August 24, 2008.
 Tonga was represented by the Tonga Sports Association and National Olympic Committee, and was one of 117 nations that won no medals at the Games.
 Tonga was represented by three athletes competing in two sports–Aisea Tohi and Ana Po'uhila in track and field events, and Maamaloa Lolohea in weightlifting.
 The delegation's appearance at the Olympics marked its seventh consecutive appearance at the Olympics since its debut at the 1984 Summer Olympics in Los Angeles.
 The flag bearer for Tonga in Beijing was field athlete Ana Po'uhila.
The Best Female Track Athlete ESPY Award was presented annually between 1993 and 2006 to the female track and field athlete, irrespective of nationality, adjudged to be the best in a given calendar year.
 Beginning in 2007, this award was combined with the parallel Best Male Track Athlete ESPY Award into the single Best Track and Field Athlete ESPY Award.
WP Motorsports was an ARCA Racing Series and NASCAR Busch Series team.
 The team owners were Steve Palac (Youngstown, OH), Darin Pinkham (Phoenix, AZ), Charles Woodruff and Scott Pinkham (Cornwall, NY).
 The team was formed in 2000 in preparation for the 2001 ARCA Racing Series and the 2001 NASCAR Busch Series.
 In 2001 WP Motorsports entered in their first NASCAR Busch Series race at Gateway Motorsports Park at the CarQuest Auto Parts 250 in Illinois and finished in 20th place in their #12 car driven by Mike Swaim Jr.
 That same year they raced at Michigan Speedway during the NASCAR Busch NAPAonline.com 250 and finished in 25th place.
 Also in 2001, WP Motorsports and Mike Swaim Jr. competed in eight ARCA races resulting in 5 top 5 finishes and 6 top ten finishes in their #22 car.
 In October 2001 Tim Fedewa drove their #12 Busch Series car in the Little Trees 300 at Lowes Motor Speedway in Charlotte and the GNC Live Well 300 at Homestead Miami Speedway in November, finishing in 27th place at Lowes and a DNQ at Miami.
 Kieth Strunk who was 1999 Cromwell Tools Crew Chief of the Year served as Crew Chief for the ARCA races and Tim Weiss, from Dale Earnhardt Enterprises served as crew Chief for the Busch races.
 Kieth Strunk would move to Car Chief for Busch races.
Roehrig Motorsports is a former auto racing team that competed part-time in the NASCAR Winston Cup and full-time in the Craftsman Truck Series from 1995-1999.
 It was owned by longtime automotive engineer Kurt Roehrig and his wife Carmela.
 In 1999 and 2000, the team entered a partnership with track star Jackie Joyner-Kersee and her husband to field a Winston Cup team in a venture called Joyner-Kersee-Roehrig Motorsports.
The Best Track and Field Athlete ESPY Award has been presented since 2007, with the exception of 2009, to the track and field athlete, irrespective of nationality or gender, adjudged to be the best in a given calendar year.
 The award supersedes the Best Female Track Athlete ESPY Award and Best Male Track Athlete ESPY Award.
The 2006 Cooper Tires Formula Ford 2000 Championship Series was the sixth and final season of the USF2000 Ford Zetec championship.
 It proved to be the ultimate USF2000 championship until the relaunch in 2010.
 J.R. Hildebrand won the championship in a Cape Motorsports entered Van Diemen RF05.
J. Kurt Roehrig (born 28 October 1956) is a motorsports engineer and racing driver.
 Roehrig was the head of former NASCAR Cup Series team Roehrig Motorsports.
 Roehrig himself has raced in various series such as the IMSA GT Championship.