Question: when did the brisbane broncos last won a premiership
[{'answer': '2006', 'provenance': [{'wikipedia_id': '5025', 'title': 'Brisbane Broncos', 'start_paragraph_id': 12, 'start_character': 3, 'end_paragraph_id': 12, 'end_character': 7, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}]