Question: who produced i ain't mad at cha
[{'answer': 'Daz Dillinger', 'provenance': [{'wikipedia_id': '6955261', 'title': "I Ain't Mad at Cha", 'start_paragraph_id': 4, 'start_character': 57, 'end_paragraph_id': 4, 'end_character': 70, 'bleu_score': 1.0, 'section': 'Section::::Background.\n'}]}]