Question: when was the dung beetle introduced to australia
[{'answer': '1965', 'provenance': [{'wikipedia_id': '23934077', 'title': 'Australian Dung Beetle Project', 'start_paragraph_id': 1, 'start_character': 36, 'end_paragraph_id': 1, 'end_character': 40, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '23934077', 'title': 'Australian Dung Beetle Project', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 309, 'bleu_score': 0.8752376177722321, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8171942567383034427}, 'section': 'Section::::Abstract.'}]}]