Question: when did the myall creek massacre start and end
[{'answer': '10 June 1838', 'provenance': [{'wikipedia_id': '1597458', 'title': 'Myall Creek massacre', 'start_paragraph_id': 1, 'start_character': 220, 'end_paragraph_id': 1, 'end_character': 232, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1597458', 'title': 'Myall Creek massacre', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 399, 'bleu_score': 0.6482019736894721, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3681784863125074192}, 'section': 'Section::::Abstract.'}]}]