Question: who sang little drummer boy with bing crosby
[{'answer': 'David Bowie', 'provenance': [{'wikipedia_id': '3388156', 'title': 'Peace on Earth/Little Drummer Boy', 'start_paragraph_id': 1, 'start_character': 155, 'end_paragraph_id': 1, 'end_character': 166, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3388156', 'title': 'Peace on Earth/Little Drummer Boy', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 410, 'bleu_score': 0.9716239638199891, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9020934623259138465}, 'section': 'Section::::Abstract.'}]}]