Question: who sings in a white room with black curtains
[{'answer': 'British rock band Cream', 'provenance': [{'wikipedia_id': '1715574', 'title': 'White Room', 'start_paragraph_id': 1, 'start_character': 26, 'end_paragraph_id': 1, 'end_character': 49, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1715574', 'title': 'White Room', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 366, 'bleu_score': 0.944371605316466, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6616691864594001111}, 'section': 'Section::::Abstract.'}]}]