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: "The city where the 10th Regiment Massachusetts Volunteer Infantry was organized is in what Massachusetts county?" whose answer is Hampden County.
Each document should contain about 30 words, and these documents should contain useful information.

Query: 10th Regiment Massachusetts Volunteer Infantry county
Useful Output:

Doc 1: The 10th Regiment, Massachusetts Infantry was organized at Springfield June 21, 1861,and ordered home for muster out June 19. Mustered out July 6, 1864.
Doc 2: The 10th, a Sixth Corps regiment, fought in the Peninsula Campaign, the Seven Days' Battles, Fredericksburg, Second Fredericksburg and Salem
Doc 3: Re-created unit of the American War of Independence, interpreting the men and women of the Revolution.
Doc 4: Essex, Middlesex and Barnstable Counties gave their sons so freely that by the 10th of September, five companies were in Camp Lander, town of Wenham, Essex Co
Doc 5: Abstract - a brief summary of the content of the text: The author's narrative history of the Tenth Massachusetts Volunteer Infantry Regiment and their