Question: when did the wallabies win at eden park
[{'answer': '1978', 'provenance': [{'wikipedia_id': '620967', 'title': 'Australia national rugby union team', 'start_paragraph_id': 27, 'start_character': 26, 'end_paragraph_id': 27, 'end_character': 30, 'bleu_score': 1.0, 'section': 'Section::::History.:1970s.\n'}]}, {'provenance': [{'wikipedia_id': '620967', 'title': 'Australia national rugby union team', 'start_paragraph_id': 27, 'start_character': 0, 'end_paragraph_id': 27, 'end_character': 655, 'bleu_score': 0.861363721587856, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9536456363558543630}, 'section': 'Section::::History.:1970s.\n'}]}]