Question: who has the most championships in wwe history
[{'answer': 'John Cena', 'provenance': [{'wikipedia_id': '690083', 'title': 'List of WWE Champions', 'start_paragraph_id': 2, 'start_character': 66, 'end_paragraph_id': 2, 'end_character': 75, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '690083', 'title': 'List of WWE Champions', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 357, 'bleu_score': 0.845556660717922, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16310747821657729633}, 'section': 'Section::::Abstract.'}]}]