Question: when was the last reported case of spontaneous human combustion
[{'answer': 'December 2010', 'provenance': [{'wikipedia_id': '63199', 'title': 'Spontaneous human combustion', 'start_paragraph_id': 41, 'start_character': 3, 'end_paragraph_id': 41, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Notable examples.\n'}]}, {'provenance': [{'wikipedia_id': '63199', 'title': 'Spontaneous human combustion', 'start_paragraph_id': 41, 'start_character': 0, 'end_paragraph_id': 41, 'end_character': 393, 'bleu_score': 0.9679895851501501, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14948089211840290256}, 'section': 'Section::::Notable examples.\n'}]}]