Question: who is the new principal in south park
[{'answer': 'PC Principal', 'provenance': [{'wikipedia_id': '7899344', 'title': 'List of South Park Elementary staff', 'start_paragraph_id': 48, 'start_character': 11, 'end_paragraph_id': 48, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Ms. Pearl.\n'}]}, {'provenance': [{'wikipedia_id': '7899344', 'title': 'List of South Park Elementary staff', 'start_paragraph_id': 49, 'start_character': 84, 'end_paragraph_id': 49, 'end_character': 1387, 'bleu_score': 0.936331640591987, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2862047218130148418}, 'section': 'Section::::PC Principal.\n'}]}]