Question: when did the superannuation guarantee start in australia
[{'answer': '1992', 'provenance': [{'wikipedia_id': '3271078', 'title': 'Superannuation in Australia', 'start_paragraph_id': 7, 'start_character': 3, 'end_paragraph_id': 7, 'end_character': 7, 'bleu_score': 1.0, 'section': 'Section::::Introduction.\n'}]}, {'provenance': [{'wikipedia_id': '3271078', 'title': 'Superannuation in Australia', 'start_paragraph_id': 113, 'start_character': 0, 'end_paragraph_id': 113, 'end_character': 258, 'bleu_score': 0.9364250605898111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12873440228044909829}, 'section': 'Section::::Superannuation industry.:Legislation.\n'}]}]