Question: what is the largest province in sri lanka
[{'answer': 'the North Central Province', 'provenance': [{'wikipedia_id': '2312548', 'title': 'North Central Province, Sri Lanka', 'start_paragraph_id': 1, 'start_character': 302, 'end_paragraph_id': 1, 'end_character': 328, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2312548', 'title': 'North Central Province, Sri Lanka', 'start_paragraph_id': 42, 'start_character': 0, 'end_paragraph_id': 42, 'end_character': 294, 'bleu_score': 0.539273161574221, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11751890846964685122}, 'section': 'Section::::Provincial council.\n'}]}]