Question: what is the name of the large city in southeastern nevada
[{'answer': 'Las Vegas', 'provenance': [{'wikipedia_id': '22216509', 'title': 'Southern Nevada', 'start_paragraph_id': 1, 'start_character': 106, 'end_paragraph_id': 1, 'end_character': 115, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '22216509', 'title': 'Southern Nevada', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 388, 'bleu_score': 0.862455111166412, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11847424310470047514}, 'section': 'Section::::Economy.\n'}]}]