Question: who was the chairman of the opening and closing ceremonies at the 1960 winter olympics
[{'answer': 'Walt Disney', 'provenance': [{'wikipedia_id': '163231', 'title': '1960 Winter Olympics', 'start_paragraph_id': 21, 'start_character': 44, 'end_paragraph_id': 21, 'end_character': 55, 'bleu_score': 1.0, 'section': 'Section::::Events.:Opening ceremonies.\n'}]}, {'provenance': [{'wikipedia_id': '163231', 'title': '1960 Winter Olympics', 'start_paragraph_id': 21, 'start_character': 0, 'end_paragraph_id': 21, 'end_character': 1018, 'bleu_score': 0.9880591662583851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16244516266713853323}, 'section': 'Section::::Events.:Opening ceremonies.\n'}]}]