Question: how many copies of bohemian rhapsody were sold
[{'answer': 'over 6 million'}, {'provenance': [{'wikipedia_id': '41953', 'title': 'Bohemian Rhapsody', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 931, 'bleu_score': 0.787138991024186, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10524976319309725632}, 'section': 'Section::::Abstract.'}]}]