Question: where did the mass shooting in las vegas happen
[{'answer': 'Route 91 Harvest music festival', 'provenance': [{'wikipedia_id': '55414735', 'title': '2017 Las Vegas shooting', 'start_paragraph_id': 2, 'start_character': 95, 'end_paragraph_id': 2, 'end_character': 126, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Mandalay Bay hotel', 'provenance': [{'wikipedia_id': '55414735', 'title': '2017 Las Vegas shooting', 'start_paragraph_id': 2, 'start_character': 380, 'end_paragraph_id': 2, 'end_character': 398, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '55414735', 'title': '2017 Las Vegas shooting', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 558, 'bleu_score': 0.537208647462578, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17452350186324914546}, 'section': 'Section::::Abstract.'}]}]