Question: who sings in tyler perry's i can do bad all by myself
[{'answer': 'Mary J. Blige', 'provenance': [{'wikipedia_id': '21254702', 'title': 'I Can Do Bad All by Myself (film)', 'start_paragraph_id': 6, 'start_character': 191, 'end_paragraph_id': 6, 'end_character': 204, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'provenance': [{'wikipedia_id': '21254702', 'title': 'I Can Do Bad All by Myself (film)', 'start_paragraph_id': 30, 'start_character': 0, 'end_paragraph_id': 30, 'end_character': 79, 'bleu_score': 0.8385766789076251, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13860774119693473647}, 'section': 'Section::::Music.\n'}]}]