Question: when does it usually snow in north carolina
[{'answer': 'varies greatly across the state', 'provenance': [{'wikipedia_id': '14842457', 'title': 'Climate of North Carolina', 'start_paragraph_id': 5, 'start_character': 127, 'end_paragraph_id': 5, 'end_character': 158, 'bleu_score': 1.0, 'section': 'Section::::Precipitation.:Snow.\n'}]}, {'answer': 'on a regular basis in the mountains'}]