Question: where does the sacrifice of iphianassa (iphigenia) take place
[{'answer': 'Aulis', 'provenance': [{'wikipedia_id': '79258', 'title': 'Iphigenia', 'start_paragraph_id': 2, 'start_character': 183, 'end_paragraph_id': 2, 'end_character': 188, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]