You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the 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?" whose answer is 1984.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Russian-Kazakh professional dancer partnered with Jay McGuiness Strictly Come Dancing 13th series
Useful Output:

Doc 1: From Ola and James Jordan to Aliona Vilani, here are all the Strictly pros you may have forgotten about over the years.
Doc 2: Strictly Come Dancing professional Aliona Vilani will not be returning to show, despite winning this year's competition with singer Jay McGuiness.
Doc 3: Stream Strictly LIVE on BBC iPlayer https://bbc.in/2MyAdzw Subscribe and to BBC Strictly ✨ https://bit.ly/2kzjjAT Subscribe and to
Doc 4: Ms O'Neill, left, is pictured with former Deputy First Minister Martin McGuinness, centre and former Sinn Fein President, Gerry Adams</image:
Doc 5: Jay McGuiness has opened up about his friendship with former Strictly Come Dancing partner Aliona Vilani and why he doesn't believe in the