Question: where does the arlanda express stop in stockholm
[{'answer': 'Stockholm Central Station', 'provenance': [{'wikipedia_id': '1409532', 'title': 'Arlanda Express', 'start_paragraph_id': 1, 'start_character': 51, 'end_paragraph_id': 1, 'end_character': 76, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Stockholm - Arlanda Airport', 'provenance': [{'wikipedia_id': '1409532', 'title': 'Arlanda Express', 'start_paragraph_id': 4, 'start_character': 96, 'end_paragraph_id': 4, 'end_character': 122, 'bleu_score': 1.0, 'section': 'Section::::Service.\n'}]}, {'provenance': [{'wikipedia_id': '1409532', 'title': 'Arlanda Express', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 512, 'bleu_score': 0.946458428441119, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9548883490790335508}, 'section': 'Section::::Abstract.'}]}]