Question: which is the largest river island in india
[{'answer': 'Mājuli', 'provenance': [{'wikipedia_id': '881600', 'title': 'Majuli', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 6, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]