Question: who played carlton on fresh prince of bel-air
[{'answer': 'Alfonso Lincoln Ribeiro Sr.', 'provenance': [{'wikipedia_id': '1828686', 'title': 'Alfonso Ribeiro', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1828686', 'title': 'Alfonso Ribeiro', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 390, 'bleu_score': 0.589430329201298, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 309968723948034229}, 'section': 'Section::::Abstract.'}]}]