Question: who plays the first game of the nfl season this year
[{'answer': 'Kansas City Chiefs', 'provenance': [{'wikipedia_id': '44726936', 'title': '2017 NFL season', 'start_paragraph_id': 1, 'start_character': 142, 'end_paragraph_id': 1, 'end_character': 160, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'New England Patriots', 'provenance': [{'wikipedia_id': '44726936', 'title': '2017 NFL season', 'start_paragraph_id': 1, 'start_character': 208, 'end_paragraph_id': 1, 'end_character': 228, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '44726936', 'title': '2017 NFL season', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 300, 'bleu_score': 0.545600802266006, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6821203289271860822}, 'section': 'Section::::Abstract.'}]}]