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: "How long was the battle that Don Chafin was a commander in in 1921?" whose answer is five days.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Don Chafin 1921 battle
Useful Output:

Doc 1: It was the year of 1924 and one might say that the Blair Mountain Battle of 1921 was by then just water under the bridge. Nevertheless, a
Doc 2: Description of Sheriff Don Chafin's role in the Battle of Blair Mountain during the West Virginia mine wars of the early 20th century.
Doc 3: to do so, making Chafin a very rich man. In the 1921 Battle of Blair Mountain, Chafin's deputies blocked an armed band of marching miners
Doc 4: The September 2, 1921, edition of the local newspaper pretty much displays the seriousness of Sheriff Chafin's Blair Mountain battle. Here's
Doc 5: Don Chafin is widely known for his exploits throughout Logan County  1921 Battle of Blair Mountain, Chafin actually wore many political