Question: who sang the song must have been love
[{'answer': 'Roxette', 'provenance': [{'wikipedia_id': '42624', 'title': 'Roxette', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 7, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '42624', 'title': 'Roxette', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 632, 'bleu_score': 0.8110784642654011, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10520230027274620641}, 'section': 'Section::::Abstract.'}]}]