Question: what is the main international airport in stockholm
[{'answer': 'Stockholm Arlanda Airport', 'provenance': [{'wikipedia_id': '164050', 'title': 'Stockholm Arlanda Airport', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '164050', 'title': 'Stockholm Arlanda Airport', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 569, 'bleu_score': 0.821899111673407, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7709268760819832743}, 'section': 'Section::::Abstract.'}]}]