Question: who does the voice over in threat level midnight
[{'answer': 'Stanley', 'provenance': [{'wikipedia_id': '30821110', 'title': 'Threat Level Midnight', 'start_paragraph_id': 15, 'start_character': 652, 'end_paragraph_id': 15, 'end_character': 659, 'bleu_score': 1.0, 'section': 'Section::::Production.:Filming.\n'}]}, {'provenance': [{'wikipedia_id': '30821110', 'title': 'Threat Level Midnight', 'start_paragraph_id': 15, 'start_character': 0, 'end_paragraph_id': 15, 'end_character': 941, 'bleu_score': 0.987691721403756, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4386493567041865312}, 'section': 'Section::::Production.:Filming.\n'}]}]