Query: How many pavilions comprise Yale -- New Haven Hospital?
Context: There are two major medical centers downtown: Yale – New Haven Hospital has four pavilions, including the Yale – New Haven Children's Hospital and the Smilow Cancer Hospital; the Hospital of Saint Raphael is several blocks north, and touts its excellent cardiac emergency care program. Smaller downtown health facilities are the Temple Medical Center located downtown on Temple Street, Connecticut Mental Health Center/ across Park Street from Y-NHH, and the Hill Health Center, which serves the working-class Hill neighborhood.