Question: who played virgil tibbs in the heat of the night
[{'answer': 'Howard Ellsworth Rollins Jr .', 'provenance': [{'wikipedia_id': '822989', 'title': 'Howard Rollins', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '822989', 'title': 'Howard Rollins', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 406, 'bleu_score': 0.8797691962223391, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3584962288423490143}, 'section': 'Section::::Abstract.'}]}]