Question: who made the bamboo organ in las pinas
[{'answer': 'Father Diego Cera', 'provenance': [{'wikipedia_id': '6042126', 'title': 'Bamboo Organ', 'start_paragraph_id': 1, 'start_character': 235, 'end_paragraph_id': 1, 'end_character': 252, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '6042126', 'title': 'Bamboo Organ', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 338, 'bleu_score': 0.764417934109321, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4219035537716875435}, 'section': 'Section::::Abstract.'}]}]