Question: who does david johnson play for in the nfl
[{'answer': 'Arizona Cardinals', 'provenance': [{'wikipedia_id': '44956512', 'title': 'David Johnson (running back)', 'start_paragraph_id': 1, 'start_character': 95, 'end_paragraph_id': 1, 'end_character': 112, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '44956512', 'title': 'David Johnson (running back)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 269, 'bleu_score': 0.922045044975195, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5255855573136177130}, 'section': 'Section::::Abstract.'}]}]