Question: the head of a college of education is called
[{'answer': 'president', 'provenance': [{'wikipedia_id': '2681197', 'title': 'Chancellor (education)', 'start_paragraph_id': 2, 'start_character': 256, 'end_paragraph_id': 2, 'end_character': 265, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'principal', 'provenance': [{'wikipedia_id': '2681197', 'title': 'Chancellor (education)', 'start_paragraph_id': 3, 'start_character': 104, 'end_paragraph_id': 3, 'end_character': 113, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'rector', 'provenance': [{'wikipedia_id': '2681197', 'title': 'Chancellor (education)', 'start_paragraph_id': 3, 'start_character': 117, 'end_paragraph_id': 3, 'end_character': 123, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'chancellor', 'provenance': [{'wikipedia_id': '2681197', 'title': 'Chancellor (education)', 'start_paragraph_id': 1, 'start_character': 2, 'end_paragraph_id': 1, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2681197', 'title': 'Chancellor (education)', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 429, 'bleu_score': 0.9720210313175831, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6249256160763045516}, 'section': 'Section::::Abstract.'}]}]