Question: calcutta is situated on the banks of which river
[{'answer': 'The Hooghly River', 'provenance': [{'wikipedia_id': '908126', 'title': 'Hooghly River', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '908126', 'title': 'Hooghly River', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 721, 'bleu_score': 0.770925761294547, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15334414310226263398}, 'section': 'Section::::Abstract.'}]}]