Question: when was the last time richmond were in a grandfinal
[{'answer': '2017', 'provenance': [{'wikipedia_id': '100040', 'title': 'Richmond Football Club', 'start_paragraph_id': 1, 'start_character': 466, 'end_paragraph_id': 1, 'end_character': 470, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '100040', 'title': 'Richmond Football Club', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 470, 'bleu_score': 0.9720210313175831, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16313802575822205438}, 'section': 'Section::::Abstract.'}]}]