Question: what are the surrounding cities of las vegas
[{'answer': 'Henderson', 'provenance': [{'wikipedia_id': '47737', 'title': 'Las Vegas', 'start_paragraph_id': 101, 'start_character': 274, 'end_paragraph_id': 101, 'end_character': 283, 'bleu_score': 1.0, 'section': 'Section::::Government.\n'}]}, {'answer': 'North Las Vegas', 'provenance': [{'wikipedia_id': '47737', 'title': 'Las Vegas', 'start_paragraph_id': 101, 'start_character': 257, 'end_paragraph_id': 101, 'end_character': 272, 'bleu_score': 1.0, 'section': 'Section::::Government.\n'}]}, {'answer': 'Summerlin', 'provenance': [{'wikipedia_id': '47737', 'title': 'Las Vegas', 'start_paragraph_id': 85, 'start_character': 356, 'end_paragraph_id': 85, 'end_character': 365, 'bleu_score': 1.0, 'section': 'Section::::Economy.:Other industries.\n'}]}, {'answer': 'Paradise ,', 'provenance': [{'wikipedia_id': '47737', 'title': 'Las Vegas', 'start_paragraph_id': 4, 'start_character': 319, 'end_paragraph_id': 4, 'end_character': 327, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Enterprise', 'provenance': [{'wikipedia_id': '47737', 'title': 'Las Vegas', 'start_paragraph_id': 31, 'start_character': 12, 'end_paragraph_id': 31, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Geography.:Nearby communities.\n'}]}, {'answer': 'Sunrise Manor', 'provenance': [{'wikipedia_id': '47737', 'title': 'Las Vegas', 'start_paragraph_id': 38, 'start_character': 12, 'end_paragraph_id': 38, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Geography.:Nearby communities.\n'}]}, {'answer': 'Spring Valley', 'provenance': [{'wikipedia_id': '47737', 'title': 'Las Vegas', 'start_paragraph_id': 36, 'start_character': 12, 'end_paragraph_id': 36, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Geography.:Nearby communities.\n'}]}, {'answer': 'Boulder City', 'provenance': [{'wikipedia_id': '47737', 'title': 'Las Vegas', 'start_paragraph_id': 101, 'start_character': 288, 'end_paragraph_id': 101, 'end_character': 300, 'bleu_score': 1.0, 'section': 'Section::::Government.\n'}]}]