Question: who sings the theme song for the tv show in the heat of the night
[{'answer': 'Bill Champlin', 'provenance': [{'wikipedia_id': '98510', 'title': 'In the Heat of the Night (TV series)', 'start_paragraph_id': 212, 'start_character': 199, 'end_paragraph_id': 212, 'end_character': 212, 'bleu_score': 1.0, 'section': 'Section::::Soundtrack.\n'}]}, {'provenance': [{'wikipedia_id': '98510', 'title': 'In the Heat of the Night (TV series)', 'start_paragraph_id': 212, 'start_character': 4, 'end_paragraph_id': 212, 'end_character': 286, 'bleu_score': 0.6958105609394061, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 161169005007040251}, 'section': 'Section::::Soundtrack.\n'}]}]