instruction: provide the number of patients whose ethnicity is american indian/alaska native and diagnoses long title is other pulmonary insufficiency, not elsewhere classified?
response: SELECT COUNT(DISTINCT demographic.subject_id) FROM demographic INNER JOIN diagnoses ON demographic.hadm_id = diagnoses.hadm_id WHERE demographic.ethnicity = "AMERICAN INDIAN/ALASKA NATIVE" AND diagnoses.long_title = "Other pulmonary insufficiency, not elsewhere classified"