Question: what is the largest province in bicol region
[{'answer': 'Camarines Sur', 'provenance': [{'wikipedia_id': '255880', 'title': 'Bicol Region', 'start_paragraph_id': 1, 'start_character': 334, 'end_paragraph_id': 1, 'end_character': 347, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '255880', 'title': 'Bicol Region', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 293, 'bleu_score': 0.7620662174572531, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2516184604435717054}, 'section': 'Section::::Administrative divisions.\n'}]}]