Question: who sang the theme song to beauty and the beast
[{'answer': 'Angela Lansbury', 'provenance': [{'wikipedia_id': '3725773', 'title': 'Beauty and the Beast (Disney song)', 'start_paragraph_id': 1, 'start_character': 259, 'end_paragraph_id': 1, 'end_character': 274, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3725773', 'title': 'Beauty and the Beast (Disney song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1072, 'bleu_score': 0.817101086308733, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9762487981454413689}, 'section': 'Section::::Abstract.'}]}]