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: "Who was born first, Andrey Markov or Askold Khovanskii?" whose answer is Andrey (Andrei) Andreyevich Markov.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Askold Khovanskii birth year
Useful Output:

Doc 1: Authors:Askold Khovanskii. View a PDF of the paper titled Center of Mass Technique and Affine Geometry, by Askold Khovanskii. View PDF HTML
Doc 2: Andrei Gabrielov and Askold Khovanskii. October 28, 1997. To Vladimir Igorevich Arnol'd on his 60th birthday  ANDREI GABRIELOV AND ASKOLD
Doc 3: Dedicated to Askold Khovanskii on the occasion of his 60th birthday. Subjects: Algebraic Geometry (math.AG); Mathematical Physics (math-ph).
Doc 4: Celebrating the 70th birthday of Prof. Askold Khovanskii. A terrific conference will be held in the Weizmann Institute in July 3-7, 2017. For
Doc 5: Celebrating the 70th birthday of Prof. Askold Khovanskii. July 3-7, 2017. The David Lopatie Conference Centre, Weizmann Institute of