Question: Mission San Rafael Arcángel was founded in 1817 as a medical "asistencia" ("sub-mission") of Mission San Francisco de Asís, it was a hospital to treat sick Native Americans, making it which regions, first sanitarium that was founded in 1769 by Gaspar de Portolà, was a polity of New Spain?
{'answer': 'Alta California', 'supporting_facts': [['Mission San Rafael Arcángel', 1], ['Alta California', 0]]}