Question: who sings the chorus in gangster's paradise
[{'answer': 'Stevie Wonder', 'provenance': [{'wikipedia_id': '1053554', 'title': "Gangsta's Paradise", 'start_paragraph_id': 1, 'start_character': 246, 'end_paragraph_id': 1, 'end_character': 259, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1053554', 'title': "Gangsta's Paradise", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 289, 'bleu_score': 0.9603762111511761, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4786576785646115681}, 'section': 'Section::::Abstract.'}]}]