Question: The Strictly the BBC television show featuring the Australian Jason Gilkison is based on what professional partner sport?

full_context: Document 1: Strictly Come Dancing (series 11): Strictly Come Dancing returned for its eleventh series beginning with a launch show on 7 September 2013, with the live shows starting on 27 and 28 September 2013. Bruce Forsyth and Tess Daly continued to co-present the main show on BBC One, with Claudia Winkleman returning to present the results show alongside Daly. Zoë Ball returned as presenter of "" on BBC Two. Len Goodman, Bruno Tonioli, Craig Revel Horwood and Darcey Bussell also returned as judges.
Document 2: Michael Malitowski: Michael Malitowski is a ballroom dancer, a former World Latin Dance Champion with his partner Joanna Leunis. Michael (christened "Michał") was born 28 May 1980, in Zielona Góra, Poland. His partnership with Leunis has, since 2002, resulted in a string of victories: in 2008 and 2009 they won the World Professional Latin title, and in 2012 they won first place in Latin dance at the Blackpool Dance Festival. This is the prestigious Open British Championships held every year in Blackpool, England. Before that, he won the Polish Latin dance championship four times with Iwona Golczak.
Document 3: Tony Meredith: Tony Meredith is a professional ballroom dancer, choreographer and United States Professional Latin Champion.
Document 4: Jhalak Dikhhla Jaa: Jhalak Dikhhla Jaa is a television reality show and the Indian version of BBC's "Strictly Come Dancing".
Document 5: Strictly Come Dancing: Strictly Come Dancing (informally known as Strictly) is a British television dance contest, featuring contestants, celebrities, and other people, from all walks of life, with professional dance partners competing in a ballroom and Latin dance competition. Each couple is scored out of 10 by a panel of judges. The title of the show suggests a continuation of the long-running series "Come Dancing", with an allusion to the film "Strictly Ballroom". The format has been exported to over 40 other countries, and has also inspired a modern dance-themed spin-off "Strictly Dance Fever". The show is currently presented by Tess Daly and Claudia Winkleman.
Document 6: The Strictly: The Strictly is a signature dance routine from the BBC show "Strictly Come Dancing", which launched in the 13th series of the popular entertainment show. The dance was devised by "Strictly Come Dancing"'s Director of Choreography, Jason Gilkison and draws inspiration from some of the show's most iconic moves, as well as celebrating some of the show's stars.
Document 7: Jason Gilkison: Jason Gilkison is an Australian professional ballroom dance champion and choreographer.
Document 8: Paul Killick: Paul Killick is a British professional ballroom dancer and an International Latin American Dance Champion. He appeared in the first two series of the television show "Strictly Come Dancing". Killick specialises in Latin dance and has won international titles including The World Cup, World Trophy, World Masters, World Series, Universal and British Professional Latin American DanceSport Championships. Killick is also a choreographer, coach, television personality, dance judge, world-class adjudicator and the owner and director of the Arthur Murray International flagship studio in Beverly Hills.
Document 9: Jason Gilbert: Jason Gilbert, known by his nickname JG, is a Caymanian record producer and songwriter. JG has produced for artists including Eminem, Bad Meets Evil, Akon, Christina Aguilera and Taio Cruz.
Document 10: So You Think You Can Dance Australia: So You Think You Can Dance Australia is an Australian version of the American reality dance competition "So You Think You Can Dance". The show hosted by Carrie Bickmore, with judges Paula Abdul, Shannon Holtzapffel, Jason Gilkison and Aaron Cash.
Document 11: Strictly Come Dancing (series 14): Strictly Come Dancing returned for its fourteenth series with a launch show on 3 September on BBC One, with the live shows starting on 23 September 2016. Tess Daly and Claudia Winkleman returned as hosts, while Zoë Ball returned to host "" on BBC Two. Len Goodman, Bruno Tonioli, Craig Revel Horwood and Darcey Bussell returned as judges. This was Goodman's final series as a judge.
Document 12: Jonathan Wilkins: Jonathan Wilkins is an English ballroom dancer and dance teacher, born in London. He holds many titles in Professional Ballroom Dancing including being 10 times Professional Ballroom Champion, 1997 - 2007 ( in a partnership with Katusha Demidova which lasted eleven years, and brought considerable success). In 2004 they won the World Classic Showdance Championship, which is one of the subsidiary World Dance Council Dance Sport events. Their final result was to win the WDC Open Professional Ballroom title at the USA Open in Orlando, Florida 2007.
Document 13: Strictly Come Dancing (series 15): Strictly Come Dancing returned for its fifteenth series with a launch show on 9 September on BBC One, with the live shows starting on 23 September 2017. Tess Daly and Claudia Winkleman returned as hosts, while Zoë Ball returned to host "" on BBC Two. Bruno Tonioli, Craig Revel Horwood, and Darcey Bussell returned as judges. On 9 May 2017, it was announced that Len Goodman would be replaced by Shirley Ballas due to Goodman's retirement from the show. This is the first series to have 2 female and 2 male judges on the panel.
Document 14: Strictly Come Dancing (series 9): Strictly Come Dancing returned for its ninth series on 10 September 2011 with a launch show, with the live shows starting on 30 September and 1 October 2011. The show was broadcast from Wembley Arena on 19 November with all proceeds going to the BBC charity, Children in Need. The final took place at the Blackpool Tower Ballroom and was the first episode in 3D, and was shown on BBC HD and 18 cinemas around the country. As in series 8 there are 14 couples with one new male professional, Pasha Kovalev, replacing Jared Murillo.
Document 15: Strictly Come Dancing (series 13): Strictly Come Dancing returned for its thirteenth series on BBC One with a launch show on 5 September 2015, with the live shows starting on 25 September 2015. Tess Daly and Claudia Winkleman returned to present the launch show and the live shows while Zoë Ball returned to present "" on BBC Two. Len Goodman, Bruno Tonioli and Craig Revel Horwood returned as judges for their thirteenth series, along with Darcey Bussell who returned for her fourth series as a judge.
ground_truth: ballroom dance