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?
Sentence (from "Aliona Vilani"): Aliona Valeriya Kavanagh (née Vilani on 1 May 1984, Russian: Алёна Валерия Вилани ) is a Russian-Kazakh professional dancer.
Relevant evidence: Yes