Question: who built the san diego de alcala mission
[{'answer': 'Spanish friar Junípero Serra', 'provenance': [{'wikipedia_id': '59599', 'title': 'Mission San Diego de Alcalá', 'start_paragraph_id': 1, 'start_character': 197, 'end_paragraph_id': 1, 'end_character': 225, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '59599', 'title': 'Mission San Diego de Alcalá', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 818, 'bleu_score': 0.985662154730604, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10743960329225974656}, 'section': 'Section::::Abstract.'}]}]