Question: who was the murderer in the movie in the heat of the night
[{'answer': 'Ralph', 'provenance': [{'wikipedia_id': '1715414', 'title': 'In the Heat of the Night (film)', 'start_paragraph_id': 9, 'start_character': 637, 'end_paragraph_id': 9, 'end_character': 642, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}]