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: "Which has more people, Kunming or Qufu?" whose answer is Kunming.
Each document should contain about 30 words, and these documents should contain useful information.

Query: population of Qufu
Useful Output:

Doc 1: Qufu's 2025 population is now estimated at 402,070. In 1950, the population of Qufu was 3,124. Qufu has grown by 7,075 in the last year, which represents a 1.79
Doc 2: With an estimated population of 622K, Qufu is the 398th largest city in China.  Population. 305K. Cost of living. $590. Handan China.
Doc 3: Qufu is best known as the birthplace and place of residence of Confucius (Kongfuzi, or Kongzi), the ancient sage who founded Confucianism.
Doc 4: Though the mansion has no permanent resident, there are 130,000 people in Qufu, out of a population of 640,000, with the surname Kong.
Doc 5: Located in southwestern Shandong and covering an area of 815 km&sup2; , as the hometown of Confucius, the great thinker, statesman, educator and founder of