Question: who trademarked let's get ready to rumble
[{'answer': 'Michael Buffer', 'provenance': [{'wikipedia_id': '715217', 'title': 'Michael Buffer', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '715217', 'title': 'Michael Buffer', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 369, 'bleu_score': 0.9250392488272071, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9111293658738751020}, 'section': 'Section::::Abstract.'}]}]