Question: who did the voice of kovu in lion king 2
[{'answer': 'Jason Marsden', 'provenance': [{'wikipedia_id': '307553', 'title': "The Lion King II: Simba's Pride", 'start_paragraph_id': 30, 'start_character': 697, 'end_paragraph_id': 30, 'end_character': 710, 'bleu_score': 1.0, 'section': 'Section::::Production.\n'}]}, {'provenance': [{'wikipedia_id': '307553', 'title': "The Lion King II: Simba's Pride", 'start_paragraph_id': 15, 'start_character': 0, 'end_paragraph_id': 15, 'end_character': 228, 'bleu_score': 0.576069044608392, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8532573988107060039}, 'section': 'Section::::Voice cast.\n'}]}]