Question: where did doug pederson coach before the eagles
[{'answer': 'Kansas City Chiefs', 'provenance': [{'wikipedia_id': '1142255', 'title': 'Doug Pederson', 'start_paragraph_id': 1, 'start_character': 234, 'end_paragraph_id': 1, 'end_character': 252, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]