Question: who sang the original dancing in the dark
[{'answer': 'Bing Crosby', 'provenance': [{'wikipedia_id': '6084416', 'title': 'Dancing in the Dark (Howard Dietz and Arthur Schwartz song)', 'start_paragraph_id': 1, 'start_character': 216, 'end_paragraph_id': 1, 'end_character': 227, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '6084416', 'title': 'Dancing in the Dark (Howard Dietz and Arthur Schwartz song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 392, 'bleu_score': 0.666336388305879, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4741551524531752688}, 'section': 'Section::::Abstract.'}]}]