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 is older, Victoria Sinitsina or Nikita Katsalapov?" whose answer is Nikita Katsalapov.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Nikita Katsalapov birth year
Useful Output:

Doc 1: Katsalapov Nikita · Nikita Gennadievich Katsalapov · Nikita  Birth date, 1991-07-10, [sources]. Place of birth, Moscow, [sources]. Gender, male
Doc 2: Date of birth, 10 July 1991. Moscow. Country of  This category has only the following subcategory. Nikita Katsalapov by year (12 C).
Doc 3: INSERT NAME, INSERT NAME ; Birth date: April 29, 1995, July 10, 1991 ; Birth place: Moscow (RUS), Moscow (RUS) ; Home town: Moscow (RUS), Moscow (
Doc 4: Nikita Katsalapov, ROC, ROC, BIRTH DATE, July 10, 1991, HEIGHT, 5' 10", BIRTH PLACE, Moscow, OLYMPIC EXPERIENCE, 2014.
Doc 5:  name · family name · Katsalapov. 0 references. date of birth. 10 July 1991. 1 reference. imported from Wikimedia project · Japanese Wikipedia · place of birth.