Question: what happened in chile on september 11 1973
[{'answer': "coup d'état", 'provenance': [{'wikipedia_id': '684813', 'title': "1973 Chilean coup d'état", 'start_paragraph_id': 0, 'start_character': 13, 'end_paragraph_id': 0, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]