Question: when did the allies win the battle of midway in the south pacific
[{'answer': '7 June 1942', 'provenance': [{'wikipedia_id': '60112', 'title': 'Battle of Midway', 'start_paragraph_id': 1, 'start_character': 118, 'end_paragraph_id': 1, 'end_character': 129, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '60112', 'title': 'Battle of Midway', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 666, 'bleu_score': 0.88899102014328, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1139135243250243819}, 'section': 'Section::::Abstract.'}]}]