Question: when was the last time the buffalo bills played in a playoff game
[{'answer': '2017', 'provenance': [{'wikipedia_id': '4315', 'title': 'Buffalo Bills', 'start_paragraph_id': 2, 'start_character': 963, 'end_paragraph_id': 2, 'end_character': 967, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4315', 'title': 'Buffalo Bills', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 655, 'bleu_score': 0.9496016038707511, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17909815464121326055}, 'section': 'Section::::History.\n'}]}]