Question: who sang the theme song for in the heat of the night
[{'answer': 'Ray Charles', 'provenance': [{'wikipedia_id': '8790917', 'title': 'In the Heat of the Night (Ray Charles song)', 'start_paragraph_id': 0, 'start_character': 26, 'end_paragraph_id': 0, 'end_character': 37, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8790917', 'title': 'In the Heat of the Night (Ray Charles song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 923, 'bleu_score': 0.967289310917216, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5320616343928988666}, 'section': 'Section::::Abstract.'}]}]