Question: when did the forest fire start in california
[{'answer': 'December 2017', 'provenance': [{'wikipedia_id': '53931534', 'title': '2017 California wildfires', 'start_paragraph_id': 3, 'start_character': 3, 'end_paragraph_id': 3, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '53931534', 'title': '2017 California wildfires', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 380, 'bleu_score': 0.501221335614092, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 604017578577600737}, 'section': 'Section::::Abstract.'}]}]