Question: how old was michael myers when he killed his older sister
[{'answer': 'six', 'provenance': [{'wikipedia_id': '20179415', 'title': 'Halloween (1978 film)', 'start_paragraph_id': 5, 'start_character': 63, 'end_paragraph_id': 5, 'end_character': 66, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'provenance': [{'wikipedia_id': '20179415', 'title': 'Halloween (1978 film)', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 509, 'bleu_score': 0.5308497907332821, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18441456963933871242}, 'section': 'Section::::Plot.\n'}]}]