Question: when is the last time mayon volcano erupted
[{'answer': 'January 25 , 2018', 'provenance': [{'wikipedia_id': '256485', 'title': 'Mayon', 'start_paragraph_id': 63, 'start_character': 3, 'end_paragraph_id': 63, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Recorded eruptions.:2018 activity.\n'}]}, {'provenance': [{'wikipedia_id': '256485', 'title': 'Mayon', 'start_paragraph_id': 63, 'start_character': 0, 'end_paragraph_id': 63, 'end_character': 272, 'bleu_score': 0.958740481558872, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8530900239787466058}, 'section': 'Section::::Recorded eruptions.:2018 activity.\n'}]}]