Question: Which is older the Walter Reed Army Medical Center or Howard University Hospital?
Context: Georgia Avenue is a major north-south artery in Northwest Washington, D.C. and Montgomery County, Maryland.  Within the District of Columbia and a short distance in Silver Spring, Maryland, Georgia Avenue is also U.S. Route 29.  Both Howard University and Walter Reed Army Medical Center are located on Georgia Avenue. Building 40, Army Medical School is a Georgian revival structure in the Walter Reed Army Medical Center complex in northern Washington, D.C., USA.  It was built between 1922 and 1932 to house the Army Medical School, which became the Army Medical Center in 1923 when it — under the name “Medical Department Professional Service School” (MDPSS) — combined with the Walter Reed General Hospital.  The MDPSS ultimately became the Walter Reed Army Institute of Research, which occupied Building 40 from 1953 to 1999.  It comprises four wings, known as the Craig (1924), Sternberg and Vedder (1932), and Siler (1962) Pavilions and is situated at 14th and Dahlia Streets. The Walter Reed Health Care System (WRHCS) is the United States Army's comprehensive and integrated health care delivery system for the National Capital Region.  It provides the full range of health care to members of the military and their families as well as members of the federal government.  The WRHCS encompasses the Walter Reed Army Medical Center and seven other Army hospitals and health care clinics in Maryland, Pennsylvania, and Virginia. Eric B. Schoomaker (born September 15, 1948) is a former United States Army lieutenant general who served as the 42nd Surgeon General of the United States Army and Commanding General, United States Army Medical Command, and a practicing hematologist.  He previously served as Commanding General, North Atlantic Regional Medical Command and Walter Reed Army Medical Center.  He assumed the post of U.S. Army Surgeon General on December 11, 2007. Howard University Hospital, previously known as Freedmen's Hospital, is a major hospital lcated in Washington, D.C., built on the site of the previous Griffith Stadium.  The hospital has served the African American community in the area for over 150 years, having been established in 1862 to cater for the medical needs of the thousands of African Americans who came to Washington during the Civil War, seeking their freedom.  The first hospital of its kind to provide medical treatment for former slaves, it later became the major hospital for the area's African-American community.  Following the closure of D.C. General Hospital, As of 2016, the hospital has the highest rate of wrongful death lawsuits of any health facility in Washington D.C. over the previous decade. The Walter Reed Army Medical Center (WRAMC) — known as Walter Reed General Hospital (WRGH) until 1951 — was the U.S. Army's flagship medical center from 1909 to 2011.  Located on 113 acre in Washington, D.C., it served more than 150,000 active and retired personnel from all branches of the military.  The center was named after Major Walter Reed (1851–1902), an army physician who led the team that confirmed that yellow fever is transmitted by mosquitoes rather than direct contact. Major General George W. Weightman was a U.S. Army Family Medicine physician who was commander of the North Atlantic Regional Medical Command and Walter Reed Army Medical Center (WRAMC).  He was relieved of his WRAMC command on March 1, 2007, in the wake of the Walter Reed Army Medical Center neglect scandal.  He took command of the U.S. Army Medical Research and Materiel Command in November 2007 and retired from active duty on 31 March 2009. The Walter Reed Army Medical Center neglect scandal refers to a series of allegations of unsatisfactory conditions, treatment of patients, and management at the Walter Reed Army Medical Center (WRAMC) in Washington, D.C. culminating in two articles published by "The Washington Post" in February 2007.  Several cases of patient neglect and shoddy living conditions were reported as early as 2004.  "Soldiers suffering from traumatic brain injuries or stress disorders, others with amputated limbs, have languished for weeks and months on end in vermin-infested quarters waiting for a decision on their military status and a ruling on the level of benefits they will receive if they are discharged and transferred to the civilian-run Veterans Administration (VA) healthcare system."  When the scandal broke, soldiers were pressured to keep quiet and punished with daily inspections for speaking to the press.  Significant public and media attention was generated, which in turn prompted a number of congressional and executive actions, including resignations of several high-ranking officers.  CPT Micheal Dake did not implement any changes that rectified the disrepair of Building 18.  The initiatives of the following Command Team lead to Building 18 being repaired and made livable.  It was when the building was left dormat during the summer that mold became a problem. Major General (Ret.)  Kevin C. Kiley (born October 18, 1950) was the 41st Surgeon General of the United States Army and commander of the U.S. Army Medical Command, Fort Sam Houston, Texas.  He was commander of Walter Reed Army Medical Center and North Atlantic Regional Medical Command twice, from 2002 to 2004, and as acting commander, March 1–2, 2007.  He submitted his request to retire from the U.S. Army on March 11, 2007, in the wake of the Walter Reed Army Medical Center neglect scandal, and was removed from his nominative billet as a Lieutenant General.  Pending retirement, he was assigned to a temporary billet at the General Officer Management Office at the Pentagon in the grade Major General.  His retirement in the grade of Major General was subsequently approved. Founded by U.S. Army Brigadier General George Miller Sternberg, MD in 1893, the Army Medical School (AMS) was by some reckonings the world's first school of public health and preventive medicine.  (The other institution vying for this distinction is the Johns Hopkins School of Public Health (1916).)  The AMS ultimately became the Army Medical Center (1923), then the Walter Reed Army Institute of Research (1953).
Answer: Walter Reed Army Medical Center