Question: where do the mamma mia songs come from
[{'answer': 'ABBA', 'provenance': [{'wikipedia_id': '252540', 'title': 'Mamma Mia!', 'start_paragraph_id': 1, 'start_character': 161, 'end_paragraph_id': 1, 'end_character': 165, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '252540', 'title': 'Mamma Mia!', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 598, 'bleu_score': 0.980097014099621, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3897678238352933026}, 'section': 'Section::::Abstract.'}]}]