Question: In what city are both Howard University Hospital and MedStar National Rehabilitation Hospital located?
Sentence (from "MedStar National Rehabilitation Hospital"): 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.
Relevant evidence: Yes