instruction: what is the number of patients whose admission location is transfer from hosp/extram and primary disease is pneumonia;human immunodefiency virus;rule out tuberculosis?
response: SELECT COUNT(DISTINCT demographic.subject_id) FROM demographic WHERE demographic.admission_location = "TRANSFER FROM HOSP/EXTRAM" AND demographic.diagnosis = "PNEUMONIA;HUMAN IMMUNODEFIENCY VIRUS;RULE OUT TUBERCULOSIS"