Question: who is the voice of mufasa in the lion guard
[{'answer': 'James Earl Jones', 'provenance': [{'wikipedia_id': '45251237', 'title': 'The Lion Guard', 'start_paragraph_id': 22, 'start_character': 30, 'end_paragraph_id': 22, 'end_character': 46, 'bleu_score': 1.0, 'section': 'Section::::Characters.:"The Lion King" alumni.\n'}]}, {'provenance': [{'wikipedia_id': '45251237', 'title': 'The Lion Guard', 'start_paragraph_id': 22, 'start_character': 12, 'end_paragraph_id': 22, 'end_character': 435, 'bleu_score': 0.9385677892769531, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6282179519745578661}, 'section': 'Section::::Characters.:"The Lion King" alumni.\n'}]}]