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 2010 of the county in which the Georgia Bureau of Investigation is headquartered?" whose answer is 691,893.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Population of DeKalb County Georgia 2010
Useful Output:

Doc 1: 2010 Total Population. Pop Change 2010 to 2020. Fulton. 1,066,710. 920,581. 146129. Gwinnett. 957,062. 805,321. 151741. Cobb. 766,149. 688,078.
Doc 2: DeKalb County is the 4th largest county in Georgia. The 2010 population was 692,536 and has seen a growth of 10.52% since that time. 765,418. Total Population.
Doc 3: During this period, the population more than quadrupled and DeKalb County emerged as the second most populous county in Georgia. As population approached
Doc 4: Clayton County: Rank: 5; 2010 population: 259,468, 2020 population: 297,595. Cobb County: Rank: 3; 2010 population: 688,113; 2020 population
Doc 5: In DeKalb County, the population was estimated to be 632,000 by 2000 and. 701,000 by 2010. The projected population increase for the City of Decatur was 18,282.