Question: from what region of the philippines came the ibalong epic
[{'answer': 'Bikol', 'provenance': [{'wikipedia_id': '50740810', 'title': 'Ibalong Epic', 'start_paragraph_id': 1, 'start_character': 78, 'end_paragraph_id': 1, 'end_character': 83, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '50740810', 'title': 'Ibalong Epic', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 485, 'bleu_score': 0.5458945880293471, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3876353502402526403}, 'section': 'Section::::Abstract.'}]}]