Question: when was paterson's curse introduced to australia
[{'answer': 'In the 1880s', 'provenance': [{'wikipedia_id': '11716595', 'title': 'Echium plantagineum in Australia', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '11716595', 'title': 'Echium plantagineum in Australia', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 427, 'bleu_score': 0.9716239638199891, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17537170769551109124}, 'section': 'Section::::History.\n'}]}]