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 population in 2000 of the community where Allegiant Travel Company has its headquarters ?" whose answer is 59,000.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Population of Las Vegas, Nevada in 2000
Useful Output:

Doc 1: Question: Exponential Growth The 2000 population of Las Vegas, Nevada was 478,000 and is increasing at the rate of 6.28% each year.
Doc 2: For the metropolitan statistical area that includes Las Vegas, the population was 2,166,181. A strong growing population has helped make Southern Nevada
Doc 3: The median age in Las Vegas is 38.5 years: 37.9 years for males, and 39.1 years for females. 670.4K. Total Population. 4,725. Density (mi²).
Doc 4: Las Vegas, Nevada. Population Change 2000-2010, U.S. Census Data. Read More! Las Vegas Population Change. Copyright © 2009 - 2021 Stephen Von Worley.
Doc 5: Revisions to the 1990 census counts for whole places (indicated by the superscript prefix ''r'' next to the figure) can be found in Table 6. Henderson city,