Question: when did long service leave start in australia
[{'answer': 'in the 1860s', 'provenance': [{'wikipedia_id': '5542479', 'title': 'Long service leave', 'start_paragraph_id': 22, 'start_character': 47, 'end_paragraph_id': 22, 'end_character': 59, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}]