Question: who is the longest railway station in india
[{'answer': 'Gorakhpur Junction', 'provenance': [{'wikipedia_id': '155664', 'title': 'Railway platform', 'start_paragraph_id': 2, 'start_character': 43, 'end_paragraph_id': 2, 'end_character': 61, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Gorakhpur railway station', 'provenance': [{'wikipedia_id': '155664', 'title': 'Railway platform', 'start_paragraph_id': 31, 'start_character': 13, 'end_paragraph_id': 31, 'end_character': 38, 'bleu_score': 1.0, 'section': 'Section::::Notable examples.:Longest.\n'}]}, {'provenance': [{'wikipedia_id': '155664', 'title': 'Railway platform', 'section': 'Section::::Abstract.', 'start_paragraph_id': 2, 'end_paragraph_id': 2, 'meta': {'evidence_span': ["The world's longest station platform is at Gorakhpur Junction in India at 1,355.40 metres.", "The world's longest station platform is at Gorakhpur Junction in India at 1,355.40 metres", "The world's longest station platform is at Gorakhpur Junction in India at 1,355.40 metres. The Appalachian Trail station in the United States, at the other extreme, has a platform which is only long enough for a single bench."]}}]}]