question: What city are the MedStar National Rehabilitation Hospital and the George Washington University Hospital located in?
answer: Washington, D.C.
context: Title: MedStar National Rehabilitation Hospital
  Passage: MedStar National Rehabilitation Network (MedStar NRH) is located in Washington, D.C., and specializes in treating persons with physical disabilities, including spinal cord injury, brain injury, stroke, arthritis, amputation, multiple sclerosis, post-polio syndrome, orthopedic, and other neurological conditions.
  Title: George Washington University Hospital
  Passage: The George Washington University Hospital is located in Washington, D.C. in the United States.  It is affiliated with the George Washington University School of Medicine and Health Sciences.  The current facility opened on August 23, 2002, with 371 beds in a 400,000 sq. ft. building, housing more than $45 million of medical equipment and costing over $96 million to construct.  The hospital is licensed by the District of Columbia Department of Consumer and Regulatory Affairs and accredited by the U.S. Joint Commission.
  Title: Rancho Los Amigos National Rehabilitation Center
  Passage: Rancho Los Amigos National Rehabilitation Center is a rehabilitation hospital located in Downey, California, United States.  Its name in Spanish means "Friends' Ranch".
  Title: Burke Rehabilitation Hospital
  Passage: Burke Rehabilitation Hospital is a non-profit, 150-bed acute rehabilitation hospital located in White Plains, New York.  It is the only hospital in Westchester County entirely dedicated to rehabilitation medicine.  Opened in 1915, Burke has been involved in medical rehabilitation for over one hundred years.  As of January 2016, Burke is a member of the Montefiore Health System, Inc.
citations: George Washington University Hospital MedStar National Rehabilitation Hospital