Question: when did the second battle of el alamein end
[{'answer': '11 November 1942', 'provenance': [{'wikipedia_id': '29587', 'title': 'Second Battle of El Alamein', 'start_paragraph_id': 1, 'start_character': 46, 'end_paragraph_id': 1, 'end_character': 62, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]