Question: when did 1 and 2 cent coins stop
[{'answer': '1992', 'provenance': [{'wikipedia_id': '7361853', 'title': 'Australian two-cent coin', 'start_paragraph_id': 1, 'start_character': 146, 'end_paragraph_id': 1, 'end_character': 150, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7361853', 'title': 'Australian two-cent coin', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 256, 'bleu_score': 0.9560167778278961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1188434390709998712}, 'section': 'Section::::Abstract.'}]}]