Question: Who is a Russian professional latin and ballroom dancer, in series 8 of broadcast from Wembley Arena on 19 November with all proceeds going to the BBC charity, Children in Need?

full_context: Document 1: 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.
Document 2: Pavel Drozd: Pavel Igorevich Drozd (Russian: Павел Игоревич Дрозд ; born 14 December 1995) is a Russian ice dancer. With his skating partner, Alla Loboda, he is a two-time World Junior medalist (silver in 2017, bronze in 2016), a three-time JGP Final silver medalist (2014–15, 2015–16, 2016–17), and the 2016 Russian junior national champion.
Document 3: Russia in the Eurovision Dance Contest: Russia took part in the first Eurovision Dance Contest in 2007. The couple chosen to represent the country were Vladislav Borodinov and Maria Sittel. The dances they performed at the contest were Rumba and Paso Doble. Russia came seventh after receiving 72 points from 11 countries. In 2008 they were represented by Tatiana Navka and Alexander Litvinenko who danced a fusion of Cha-Cha, Samba, Rumba, Paso Doble and Russian Folk Dance. The Third Eurovision Dance Contest has been cancelled indefinitely.
Document 4: Pasha Kovalev: Pavel "Pasha" Kovalev (Russian: Па́вел "Па́ша" Ковалёв ; born 19 January 1980) is a Russian professional latin and ballroom dancer.
Document 5: 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 6: Vladislav Lantratov: Vladislav Lantratov (Russian: Владислав Валерьевич Лантратов ; 8 October 1988) is a Russian principal dancer in the Bolshoi Ballet.
Document 7: Katusha Demidova: Katusha Demidova is a Russian professional ballroom dancer and instructor, now residing in the USA. She is the 2009, 2010, 2011, 2012, 2013 and 2014 Professional World Ballroom Dance Champion, and also the International Professional, and British Open, Ballroom Champion. Her partner in these events was Arunas Bizokas. She is the sister of Anna Demidova who is also a dancer.
Document 8: Strictly Come Dancing (series 8): Strictly Come Dancing returned for its eighth series on BBC One with a red carpet launch show on 11 September 2010, and the competitive live shows began on 1 October. The series concluded on 18 December when Kara Tointon and Artem Chigvintsev won the competition. According to BARB data, this series was the consistently highest rated of the show to date, peaking at 14.28 million viewers. Len Goodman, Bruno Tonioli, Craig Revel Horwood and Alesha Dixon returned as judges.
Document 9: 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 10: Mikhail Baryshnikov: Mikhail Nikolayevich Baryshnikov (Russian: Михаи́л Никола́евич Бары́шников , Latvian: "Mihails Barišņikovs" ; born January 27, 1948), nicknamed "Misha" (Russian diminutive of the name "Mikhail"), is a Soviet and American dancer, choreographer, and actor.
Document 11: Strictly Come Dancing (series 10): Strictly Come Dancing returned for its tenth series and began with the launch show on 15 September 2012. The live shows commenced on 5 October. Fourteen celebrities took part - the same number as the previous year. Bruce Forsyth and Tess Daly returned to present the main show on BBC One and Claudia Winkleman returned to present the results show with Daly. Zoë Ball returned to present spin-off show "". Judges Len Goodman, Bruno Tonioli and Craig Revel Horwood all returned and were joined on the judging panel by series 7 guest judge Darcey Bussell, who replaced Alesha Dixon.
Document 12: Kirill Khaliavin: Kirill Leonidovich Khaliavin (Russian: Кирилл Леонидович Халявин ; born 21 November 1990) is a Russian ice dancer who currently represents Spain. With former partner Ksenia Monko, he is the 2011 World Junior champion, a two-time (2009–10, 2010–11) Junior Grand Prix Final champion, and the 2015 Russian national silver medalist. With current partner Sara Hurtado, he is the 2016 Spanish Champion.
Document 13: Strictly Come Dancing (series 12): Strictly Come Dancing returned for its twelfth series beginning from 7 September 2014 with a launch show, with the live shows starting on 26 and 27 September. Tess Daly returned to present the main show on BBC One alongside Claudia Winkleman, who has been promoted to co-presenter in addition to the results show after Bruce Forsyth decided to leave the show after the eleventh series; however, Forsyth will continue to host the Christmas and Children in Need specials. Zoë Ball returned as presenter of spin-off show "" on BBC Two. Judges Len Goodman, Bruno Tonioli, Craig Revel Horwood and Darcey Bussell also returned.
Document 14: Strictly Come Dancing (series 7): Strictly Come Dancing returned for its seventh series on 18 September 2009 on BBC One. Bruce Forsyth and Tess Daly returned as presenters of the main show on BBC One, whilst Claudia Winkleman presented spin-off show "" on BBC Two. Len Goodman, Bruno Tonioli and Craig Revel Horwood returned as judges. Series 5 winner Alesha Dixon joined the judging panel as a replacement for Arlene Phillips. Darcey Bussell was a guest judge from the quarter final onwards.
Document 15: 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.
ground_truth: Pavel "Pasha" Kovalev