Question: when did israel and egypt sign a peace treaty
[{'answer': '26 March 1979', 'provenance': [{'wikipedia_id': '216183', 'title': 'Egypt–Israel Peace Treaty', 'start_paragraph_id': 1, 'start_character': 178, 'end_paragraph_id': 1, 'end_character': 191, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]