Question: when did the 4 minute mile get broken
[{'answer': '6 May 1954', 'provenance': [{'wikipedia_id': '88791', 'title': 'Four-minute mile', 'start_paragraph_id': 3, 'start_character': 55, 'end_paragraph_id': 3, 'end_character': 65, 'bleu_score': 1.0, 'section': 'Section::::Record holders.\n'}]}, {'provenance': [{'wikipedia_id': '88791', 'title': 'Four-minute mile', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 222, 'bleu_score': 0.8749766281017171, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11674244144323149491}, 'section': 'Section::::Record holders.\n'}]}]