Question: who are the real singers for milli vanilli
[{'answer': 'Brad Howell and John Davis', 'provenance': [{'wikipedia_id': '169549', 'title': 'Milli Vanilli', 'start_paragraph_id': 24, 'start_character': 277, 'end_paragraph_id': 24, 'end_character': 303, 'bleu_score': 1.0, 'section': 'Section::::The Real Milli Vanilli, 1991–1992.\n'}]}, {'provenance': [{'wikipedia_id': '169549', 'title': 'Milli Vanilli', 'start_paragraph_id': 24, 'start_character': 0, 'end_paragraph_id': 24, 'end_character': 904, 'bleu_score': 0.9715305700167061, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8037420365858552278}, 'section': 'Section::::The Real Milli Vanilli, 1991–1992.\n'}]}]