Question: Children's National Medical Center and Sibley Memorial Hospital, are both located in which US location?
Sentence (from "Children's National Medical Center"): 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.
Relevant evidence: No