Question: who is mariah carey singing about in we belong together
[{'answer': 'her former lover', 'provenance': [{'wikipedia_id': '1585920', 'title': 'We Belong Together', 'start_paragraph_id': 1, 'start_character': 682, 'end_paragraph_id': 1, 'end_character': 698, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1585920', 'title': 'We Belong Together', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 708, 'bleu_score': 0.8962775086350101, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14686039432913978029}, 'section': 'Section::::Abstract.'}]}]