Question: Between St. Elizabeths Hospital and Children's National Medical Center, which could house a larger number of patients?

<P0-S0> St. Elizabeths Hospital opened in 1855 as the first federally operated psychiatric hospital in the United States. <P0-S1>  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. <P0-S2>  Its campus was designated a National Historic Landmark in 1990. <SEP> <P1-S0> Baylor College of Medicine (BCM), located in the Texas Medical Center in Houston, Texas, US, is a health sciences university. <P1-S1>  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. <P1-S2>  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. <SEP> <P2-S0> 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. <P2-S1>  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. <P2-S2>  It is Southern Arizona's only Level I trauma center for both adult and pediatric patients. <P2-S3>  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. <P2-S4>  The area's only dedicated Children's hospital, Banner Children's at Diamond Children's Medical Center, is located within and adjacent to BUMCT. <SEP> <P3-S0> 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." <P3-S1>  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. <P3-S2>  Kurt Newman, M.D., has served as the president and chief executive officer of Children’s National since 2011. <P3-S3>  Children's National is a not-for-profit institution that performs more than 450,000 visits each year. <P3-S4>  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.