Question: how many rounds did the vegas shooter have
[{'answer': '1,100 rounds', 'provenance': [{'wikipedia_id': '55414735', 'title': '2017 Las Vegas shooting', 'start_paragraph_id': 2, 'start_character': 313, 'end_paragraph_id': 2, 'end_character': 325, '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': 566, 'bleu_score': 0.5071456927624101, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11125091576756000495}, 'section': 'Section::::Abstract.'}]}]