Question: what's the main train station in edinburgh called
[{'answer': 'Edinburgh Waverley railway station', 'provenance': [{'wikipedia_id': '818688', 'title': 'Edinburgh Waverley railway station', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 34, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Waverley', 'provenance': [{'wikipedia_id': '818688', 'title': 'Edinburgh Waverley railway station', 'start_paragraph_id': 0, 'start_character': 10, 'end_paragraph_id': 0, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '818688', 'title': 'Edinburgh Waverley railway station', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 392, 'bleu_score': 0.794201471666367, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12403285826522037279}, 'section': 'Section::::Abstract.'}]}]