Question: when did what happens in vegas stays in vegas start
[{'answer': '2004', 'provenance': [{'wikipedia_id': '32170482', 'title': 'Mark E. Brown', 'start_paragraph_id': 8, 'start_character': 95, 'end_paragraph_id': 8, 'end_character': 99, 'bleu_score': 1.0, 'section': 'Section::::Career.:R&R Partners.\n'}]}, {'provenance': [{'wikipedia_id': '32170482', 'title': 'Mark E. Brown', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 963, 'bleu_score': 0.988668097924812, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 733068114174680804}, 'section': 'Section::::Career.:R&R Partners.\n'}]}]