Question: who sings paint it black in the last witch hunter
[{'answer': 'R&B singer Ciara', 'provenance': [{'wikipedia_id': '2286114', 'title': 'Paint It Black', 'start_paragraph_id': 12, 'start_character': 508, 'end_paragraph_id': 12, 'end_character': 524, 'bleu_score': 1.0, 'section': 'Section::::Release.\n'}]}, {'provenance': [{'wikipedia_id': '2286114', 'title': 'Paint It Black', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 610, 'bleu_score': 0.918296621784303, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3667304266315470963}, 'section': 'Section::::Release.\n'}]}]