Question: what is the principal's name in the breakfast club
[{'answer': 'Assistant Principal Vernon', 'provenance': [{'wikipedia_id': '29943', 'title': 'The Breakfast Club', 'start_paragraph_id': 49, 'start_character': 539, 'end_paragraph_id': 49, 'end_character': 565, 'bleu_score': 1.0, 'section': 'Section::::Legacy.\n'}]}, {'provenance': [{'wikipedia_id': '29943', 'title': 'The Breakfast Club', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 54, 'bleu_score': 0.6803749333171201, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3208760263392424341}, 'section': 'Section::::Cast.\n'}]}]