Question: who sang baby it's cold outside in neptune's daughter
[{'answer': 'Esther Williams', 'provenance': [{'wikipedia_id': '3212794', 'title': "Baby, It's Cold Outside", 'start_paragraph_id': 7, 'start_character': 569, 'end_paragraph_id': 7, 'end_character': 584, 'bleu_score': 1.0, 'section': 'Section::::Lyrics.\n'}]}, {'answer': 'Ricardo Montalban'}]