Question: when did australia stop making 1 cent coins
[{'answer': '1990', 'provenance': [{'wikipedia_id': '7361828', 'title': 'Australian one-cent coin', 'start_paragraph_id': 7, 'start_character': 528, 'end_paragraph_id': 7, 'end_character': 532, 'bleu_score': 1.0, 'section': 'Section::::Production.\n'}]}, {'provenance': [{'wikipedia_id': '7361828', 'title': 'Australian one-cent coin', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 532, 'bleu_score': 0.9792717993254391, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 189462168247945954}, 'section': 'Section::::Production.\n'}]}]