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: "What was the 2014  poplation of the city at which Khürelbaataryn Tsend-Ayuush scored in 2014 FIFA World Cup qualifying?" whose answer is 1.3 million.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Population of Ulaanbaatar in 2014
Useful Output:

Doc 1: Statistics: Population, household, Labour, business, Society, development, Industry, service, Economy, environment, Education, health
Doc 2: Population as of 2014 was over 1.3 million, almost half of the country's population.
Doc 3: Between 2001 and 2014, Ulaanbaatar's population increased by 4.1 percent each year (from 630,000 to 1,070,000 people) and the built-up area
Doc 4: The World Population Dashboard showcases global population data, including fertility rate, gender parity in school enrolment, information on sexual and
Doc 5: As of the reference date, total population of Mongolia is 2 754 685. One of the main features of the 2010. Census was e-enumeration for Mongolians living abroad