Question: who played in the nfc championship last year
[{'answer': 'Minnesota Vikings', 'provenance': [{'wikipedia_id': '1585112', 'title': 'NFC Championship Game', 'start_paragraph_id': 22, 'start_character': 12, 'end_paragraph_id': 22, 'end_character': 29, 'bleu_score': 1.0, 'section': 'Section::::NFC Championship Game records.\n'}]}, {'answer': 'Philadelphia Eagles', 'provenance': [{'wikipedia_id': '1585112', 'title': 'NFC Championship Game', 'start_paragraph_id': 19, 'start_character': 12, 'end_paragraph_id': 19, 'end_character': 31, 'bleu_score': 1.0, 'section': 'Section::::NFC Championship Game records.\n'}]}]