Question: nearest metro station to salt lake city kolkata
[{'answer': 'Salt Lake Sector - V', 'provenance': [{'wikipedia_id': '57508859', 'title': 'Salt Lake Sector-V Metro Station', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '57508859', 'title': 'Salt Lake Sector-V Metro Station', 'start_paragraph_id': 1, 'start_character': 10, 'end_paragraph_id': 1, 'end_character': 391, 'bleu_score': 0.8136089060443271, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2969867742842464192}, 'section': 'Section::::Abstract.'}]}]