Question: where is the lost city of petra located
[{'answer': 'southern Jordan', 'provenance': [{'wikipedia_id': '45008', 'title': 'Petra', 'start_paragraph_id': 1, 'start_character': 110, 'end_paragraph_id': 1, 'end_character': 125, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '45008', 'title': 'Petra', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 600, 'bleu_score': 0.8772071395471791, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7385323421128469085}, 'section': 'Section::::Abstract.'}]}]