Question: when was the last time australia won the ashes in england
[{'answer': '2017 - 18 series', 'provenance': [{'wikipedia_id': '1930107', 'title': 'List of Ashes series', 'start_paragraph_id': 1, 'start_character': 437, 'end_paragraph_id': 1, 'end_character': 454, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1930107', 'title': 'List of Ashes series', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 478, 'bleu_score': 0.9751504244977051, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6364047869879267266}, 'section': 'Section::::Abstract.'}]}]