What is the nationality of the woman who partnered with Jay McGuiness in the 2015 BBC dance series "Strictly Come Dancing"?
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".
Ola Jordan Aleksandra "Ola" Jordan ("née" Grabowska; born 30 September 1982) is a Polish professional ballroom dancer. She appeared as a professional on the British TV show "Strictly Come Dancing" from 2006 to 2015. After winning a championship event in her native Poland, Jordan moved to England and began a new partnership with James Jordan. They married on 12 October 2003 and live near Maidstone in Kent.