Question: when did they storm the beaches of normandy
[{'answer': '6 June 1944', 'provenance': [{'wikipedia_id': '46128', 'title': 'Invasion of Normandy', 'start_paragraph_id': 1, 'start_character': 180, 'end_paragraph_id': 1, 'end_character': 191, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '46128', 'title': 'Invasion of Normandy', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 328, 'bleu_score': 0.898644509688842, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6043609976285610506}, 'section': 'Section::::Abstract.'}]}]