Question: when was the last time richmond won a premiership
[{'answer': '1980', 'provenance': [{'wikipedia_id': '100040', 'title': 'Richmond Football Club', 'start_paragraph_id': 34, 'start_character': 251, 'end_paragraph_id': 34, 'end_character': 255, 'bleu_score': 1.0, 'section': 'Section::::History.:Success through Hafey Era (1966–1982).\n'}]}]