Question: when did st george last win the grand final
[{'answer': '2010 NRL Grand Final', 'provenance': [{'wikipedia_id': '24473457', 'title': '2010 NRL Grand Final', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '24473457', 'title': '2010 NRL Grand Final', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 640, 'bleu_score': 0.9822204502117851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15450464647499339802}, 'section': 'Section::::Abstract.'}]}]