Question: who sang 70's song baby come back
[{'answer': 'Player', 'provenance': [{'wikipedia_id': '7158931', 'title': 'Baby Come Back (Player song)', 'start_paragraph_id': 0, 'start_character': 16, 'end_paragraph_id': 0, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]