Question: In which year was this Russian-Kazakh professional dancer, who was partnered with Jay McGuiness for the 13th series of BBC's "Strictly Come Dancing," born?

Context paragraphs:
Jay McGuiness: James "Jay" McGuiness (born 24 July 1990) is a British singer, songwriter and dancer, best known as a vocalist with boy band The Wanted.  On 19 December 2015, partnered with Aliona Vilani, he won the 13th series of BBC's "Strictly Come Dancing".

Kevin Clifton: Kevin Clifton (born 13 October 1982) is an English professional dancer born in Waltham, Lincolnshire.  He is a professional dancer on the BBC TV series "Strictly Come Dancing", having previously worked as an assistant choreographer.  He has also featured on "Burn the Floor".  He is fondly called "Kevin from Grimsby".

Kellie Bright: Kellie Denise Bright (born 1 July 1976) is an English actress.  She is known for playing Linda Carter in the BBC soap opera "EastEnders", for which she won the 2015 British Soap Awards for Best Actress and Best Dramatic Performance.  Her other television roles include Joanna Burrows in "The Upper Hand" (1990–96), Cassie Tyler in "Bad Girls" (2002) and Joan Trotter in "Rock & Chips" (2010–11).  In 2015, she was the runner-up in the 13th series of the BBC One show "Strictly Come Dancing".

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.

Anthony Ogogo: Anthony Osezua Ojo Ogogo (born 24 November 1988) is an English professional boxer from Lowestoft, England, competing in the middleweight division.  He is currently promoted by Golden Boy Promotions.  In 2015, he participated in the 13th series of BBC One's "Strictly Come Dancing".

Aliona Vilani: Aliona Valeriya Kavanagh (née Vilani on 1 May 1984, Russian: Алёна Валерия Вилани ) is a Russian-Kazakh professional dancer.

Strictly Come Dancing: It Takes Two: Strictly Come Dancing: It Takes Two, also known as Strictly: It Takes Two or simply It Takes Two, is a British television programme, the companion show to the popular BBC One programme "Strictly Come Dancing".  It is broadcast on weeknights during the run of the main show on BBC Two at 6:30 pm.  Claudia Winkleman originally presented the show, however she left in 2011 and now presents the main show.  Since 2011, Zoë Ball has presented the show.

Dianne Buswell: Dianne Buswell (born 1989) is an Australian ballroom dancer.  She has appeared on "So You Think You Can Dance Australia" and was a professional dancer on the Australian version of "Dancing with the Stars" in 2015.  Buswell became a professional dancer on "Strictly Come Dancing" beginning in 2017.

Carol Kirkwood: Carol Kirkwood (born 29 May 1962) is a Scottish weather presenter, trained by the Met Office, and employed by the BBC, in particular on "BBC Breakfast" and "Victoria Derbyshire".  In 2015, she participated in the 13th series of BBC One's "Strictly Come Dancing", finishing in 10th place.

Joanne Clifton: Joanne Kirsty Clifton (born 24 October 1983), also known as Jo, is a British professional dancer, presenter, actress, singer.  born in Waltham, Lincolnshire.  She won the World Ballroom Showdance Championship in 2013 and also won the European Professional Ballroom Championship and World Dancesport Games.  She has been a professional dancer on the BBC TV series "Strictly Come Dancing" since 2014, winning the Christmas Special in 2015 with Harry Judd who was series 9 champion and the fourteenth series in 2016 with Ore Oduba.  Also appearing as an expert presenter on "" in 2015.

Supporting paragraphs: Jay McGuiness Aliona Vilani
Answer: 1984