Question: when did roosters last win the grand final
[{'answer': '2013', 'provenance': [{'wikipedia_id': '424878', 'title': 'Sydney Roosters', 'start_paragraph_id': 15, 'start_character': 281, 'end_paragraph_id': 15, 'end_character': 285, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '424878', 'title': 'Sydney Roosters', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 1083, 'bleu_score': 0.9003153111381321, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9236542207452190165}, 'section': 'Section::::History.\n'}]}]