Question: who's playing in the 2017 nfl hall of fame game
[{'answer': 'the Dallas Cowboys'}, {'answer': 'the Arizona Cardinals'}, {'provenance': [{'wikipedia_id': '2411607', 'title': 'Pro Football Hall of Fame Game', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 322, 'bleu_score': 0.561322519197755, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13715671717724532602}, 'section': 'Section::::Team selection.:Scheduling.\n'}]}]