Question: when did the civil war in el salvador end
[{'answer': 'January 16 , 1992', 'provenance': [{'wikipedia_id': '4187252', 'title': 'Salvadoran Civil War', 'start_paragraph_id': 5, 'start_character': 47, 'end_paragraph_id': 5, 'end_character': 64, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4187252', 'title': 'Salvadoran Civil War', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 188, 'bleu_score': 0.9364250605898111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13610828054998282461}, 'section': 'Section::::Abstract.'}]}]