You are the Google search engine.
Given a query, you need to generate five noisy documents for the query.

The user is trying to answer the question: "What is the 2015 population of the county where KRFE was located?" whose answer is 249,042.
Each document should contain about 30 words, and these documents should contain noisy information.

Query: KRFE location 2015
Noisy Output:

Doc 1: We compared several reference tools (MEME, STREME and CASTOR-KRFE) to identify discriminating motifs among SARS-CoV-2 genome sequences.
Doc 2: This article provides an overview of critical laboratory evidence of CKD and their limitations, such as estimated glomerular filtration rate (eGFR), urine
Doc 3: The Kidney Failure Risk Equation showed poor calibration when predicting end-stage kidney disease in children with chronic kidney disease,
Doc 4: As part of an experiment in some regions of France, KRFE has been routinely implemented in laboratory reports for practitioners and patients
Doc 5: Our study findings add to a recent study by Ali et al, which showed that use of KRFE would result in better clinical utility compared to eGFR