Question: who took over for optimus prime when he died
[{'answer': 'Rodimus Prime', 'provenance': [{'wikipedia_id': '14293754', 'title': 'Rodimus', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '14293754', 'title': 'Rodimus', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 522, 'bleu_score': 0.7118635118457951, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 779101212269424795}, 'section': 'Section::::Abstract.'}]}]