Question: who plays the headteacher in st trinians 2
[{'answer': 'Rupert Everett', 'provenance': [{'wikipedia_id': '22635683', 'title': "St Trinian's 2: The Legend of Fritton's Gold", 'start_paragraph_id': 12, 'start_character': 12, 'end_paragraph_id': 12, 'end_character': 26, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}, {'provenance': [{'wikipedia_id': '22635683', 'title': "St Trinian's 2: The Legend of Fritton's Gold", 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 105, 'bleu_score': 0.850733133512352, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15338188931335516748}, 'section': 'Section::::Cast.\n'}]}]