Question: who sings the song it's a family affair
[{'answer': 'Sly and the Family Stone', 'provenance': [{'wikipedia_id': '2184680', 'title': 'Family Affair (Sly and the Family Stone song)', 'start_paragraph_id': 0, 'start_character': 15, 'end_paragraph_id': 0, 'end_character': 39, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2184680', 'title': 'Family Affair (Sly and the Family Stone song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 606, 'bleu_score': 0.9587365925518061, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10917034956092965463}, 'section': 'Section::::Abstract.'}]}]