Question: when did the battle of el alamein take place
[{'answer': '1 -- 27 July 1942'}, {'provenance': [{'wikipedia_id': '11775', 'title': 'First Battle of El Alamein', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 422, 'bleu_score': 0.793346685960397, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3516524136362793272}, 'section': 'Section::::Abstract.'}]}]