Question: Between St. Elizabeths Hospital and Children's National Medical Center, which could house a larger number of patients?
Context: St. Elizabeths Hospital opened in 1855 as the first federally operated psychiatric hospital in the United States.  Housing over 8,000 patients at its peak in the 1950s, the hospital at one point had a fully functioning medical-surgical unit, a school of nursing, and accredited internships and psychiatric residencies.  Its campus was designated a National Historic Landmark in 1990. Douglass is a residential neighborhood in Southeast Washington, D.C., on the eastern side of St. Elizabeths Hospital, on the border of the Congress Heights Metro Station.  It is bounded by Suitland Parkway to the north and east, Alabama Avenue to the south, and the St. Elizabeths campus to the west. Mercy Hospital and Medical Center is a 292 bed general medical and surgical Catholic teaching hospital in Chicago, Illinois.  Established in 1852, The hospital was the first chartered hospital in Chicago.  In 1859, Mercy Hospital became the first Catholic hospital to affiliate with a medical school—Lind Medical School—and the first to require a graded curriculum.  Today, Mercy Hospital and Medical Center is part of a nationwide network of Mercy Healthcare facilities.  Mercy also is the hospital used by the Daley family: all of their children were born there.  Mercy sold a plot of land to the north of their hospital for 60 million dollars in 2008.  It is also the main women's cancer center in Illinois.  It accepted patients from Michael Reese Hospital and Medical Center and absorbed the ambulance routes when the hospital closed in 2008.  Mercy follows Catholic teaching but does give birth control to rape patients. Baylor College of Medicine (BCM), located in the Texas Medical Center in Houston, Texas, US, is a health sciences university.  It includes a medical school, Baylor College of Medicine; the Graduate School of Biomedical Sciences; the School of Allied Health Sciences; and the National School of Tropical Medicine.  The school, located in the middle of the world's largest medical center (Texas Medical Center), is part owner of Baylor St. Luke's Medical Center, part of the CHI St. Luke's Health system, and has hospital affiliations with: Harris Health System, Texas Children's Hospital, The University of Texas MD Anderson Cancer Center, Memorial Hermann - The Institute for Rehabilitation and Research, Menninger Clinic, the Michael E. DeBakey Veterans Affairs Medical Center and Children's Hospital of San Antonio. Winfred Overholser (1892 – October 6, 1964) was an American psychiatrist, president of the American Psychiatric Association, and for 25 years the superintendent of St. Elizabeths Hospital, a federal institution for the mentally ill in Washington, D.C. Southeast (SE or S.E.) is the southeastern quadrant of Washington, D.C., the capital of the United States, and is located south of East Capitol Street and east of South Capitol Street.  It includes the Capitol Hill and Anacostia neighborhoods, the Navy Yard, the Joint Base Anacostia-Bolling (JBAB), the U.S. Marine Barracks, the Anacostia River waterfront, Eastern Market, the remains of several Civil War-era forts, historic St. Elizabeths Hospital, RFK Stadium, Nationals Park, and the Congressional Cemetery.  It is also contains a landmark known as "The Big Chair," located on Martin Luther King Avenue.  The quadrant is bisected by the Anacostia River, with the portion that is west of the river sometimes referred to as "Near Southeast". Banner - University Medical Center Tucson (BUMCT), formerly University Medical Center and the University of Arizona Medical Center, is a private, non-profit, 487-bed acute-care hospital located on the campus of the University of Arizona in Tucson, Arizona.  BUMCT is part of the University of Arizona Health Sciences (UAHS) center campus which includes the university's Colleges of Medicine, Nursing, Pharmacy and Public Health.  It is Southern Arizona's only Level I trauma center for both adult and pediatric patients.  BUMCT is one of two University of Arizona affiliated academic medical centers in Tucson with Banner - University Medical Center South (formerly Kino Community Hospital, University Physicians Healthcare Hospital, and University of Arizona Medical Center - South Campus) being the other such institution.  The area's only dedicated Children's hospital, Banner Children's at Diamond Children's Medical Center, is located within and adjacent to BUMCT. Congress Heights is a residential neighborhood in southeast Washington, D.C., in the United States.  The irregularly shaped neighborhood is bounded by the St. Elizabeths Hospital campus, Lebaum Street SE, 4th Street SE, and Newcomb Street SE on the northeast; Shepard Parkway and South Capitol Street on the west; Atlantic Street SE and 1st Street SE (as far as Chesapeake Street SE) on the south; Oxon Run Parkway on the southeast; and Wheeler Street SE and Alabama Avenue SE on the east.  Commercial development is heavy along Martin Luther King, Jr.  Avenue and Malcolm X Avenue. Children’s National Medical Center (formerly DC Children’s Hospital) is ranked among the top 10 children’s hospitals in the country by "U.S. News & World Report."  Located just north of the McMillan Reservoir and Howard University, it shares grounds with Washington Hospital Center, National Rehabilitation Hospital, and the DC Veterans Affairs Medical Center.  Kurt Newman, M.D., has served as the president and chief executive officer of Children’s National since 2011.  Children's National is a not-for-profit institution that performs more than 450,000 visits each year.  Featuring 303 beds and a Level IV NICU, Children's National is the regional referral center for pediatric emergency, trauma, cancer, cardiac and critical care as well as neonatology, orthopaedic surgery, neurology and neurosurgery. Loreta Janeta Velázquez (June 26, 1842 – 1923), was a Cuban-born woman who masqueraded as a male Confederate soldier during the American Civil War.  After her soldier husband's accidental death, she enlisted in the Confederate States Army in 1861.  She then fought at Bull Run, Ball's Bluff, and Fort Donelson, but was discharged when her gender was discovered while in New Orleans.  Undeterred, she reenlisted and fought at Shiloh, until unmasked once more.  She then became a Confederate spy, working in both male and female guises, and as a double agent also reporting to the U.S. Secret Service.  She remarried three more times, being widowed in each instance.  According to William C Davis, she died in January 1923 under the name Loretta J. Beard after many years away from the public eye in a public psychiatric facility, St. Elizabeths Hospital.  She spied on the Union for about 5 years.
Answer: St. Elizabeths Hospital