Question: when did the rock n roll hall of fame open
[{'answer': 'September 1995'}, {'provenance': [{'wikipedia_id': '58902', 'title': 'Rock and Roll Hall of Fame', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 502, 'bleu_score': 0.602888242744491, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5220854413869159731}, 'section': 'Section::::Abstract.'}]}]