Question: who sings for simba in lion king 2
[{'answer': 'Cam Clarke', 'provenance': [{'wikipedia_id': '307553', 'title': "The Lion King II: Simba's Pride", 'start_paragraph_id': 12, 'start_character': 138, 'end_paragraph_id': 12, 'end_character': 148, 'bleu_score': 1.0, 'section': 'Section::::Voice cast.\n'}]}]