Question: Which hospital serves more neonatal patients, MedStar Washington Hospital Center or Walter Reed Army Medical Center? 
Sentence (from "Building 40 (Army Medical School)"): It was built between 1922 and 1932 to house the Army Medical School, which became the Army Medical Center in 1923 when it — under the name “Medical Department Professional Service School” (MDPSS) — combined with the Walter Reed General Hospital.
Relevant evidence: No