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 hospital opened first, Walter Reed Army Medical Center or St. Elizabeths Hospital?" whose answer is St. Elizabeths Hospital.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Walter Reed Army Medical Center founding year
Useful Output:

Doc 1: Or you do if you lived or worked near the hospital, which between 1909 and 2011 served patients on its campus amid Georgia Avenue, Alaska Avenue
Doc 2: Walter Reed National Military Medical Center opened its doors in 2011. It sits on the grounds of the former naval medical center and has grown
Doc 3: The hospital integrated with the National Naval Medical Center in Bethesda, Md., forming Walter Reed National Military Medical Center. NMHM, a
Doc 4: Walter Reed Army Medical Center first opened its doors May 1, 1909 as an 80-bed hospital. Today the 247-bed center is one of the world's premiere medical
Doc 5: In 2011, the Walter Reed Army Medical Center was shuttered after more than a century of operation in Northwest DC.