Question: who sings the song ooh child things are gonna get easier
[{'answer': 'the Five Stairsteps', 'provenance': [{'wikipedia_id': '20251190', 'title': 'O-o-h Child', 'start_paragraph_id': 1, 'start_character': 69, 'end_paragraph_id': 1, 'end_character': 88, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '20251190', 'title': 'O-o-h Child', 'start_paragraph_id': 1, 'start_character': 7, 'end_paragraph_id': 1, 'end_character': 998, 'bleu_score': 0.904180743069895, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4413042217584038114}, 'section': 'Section::::Abstract.'}]}]