Question: when did soul train go off the air
[{'answer': 'March 25 , 2006'}, {'provenance': [{'wikipedia_id': '605243', 'title': 'Soul Train', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 395, 'bleu_score': 0.8436953448207251, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8105185209841045060}, 'section': 'Section::::Abstract.'}]}]