Question: who was the first principal of bengal national school and college
[{'answer': 'Aurobindo', 'provenance': [{'wikipedia_id': '16542', 'title': 'Jadavpur University', 'start_paragraph_id': 7, 'start_character': 196, 'end_paragraph_id': 7, 'end_character': 205, 'bleu_score': 1.0, 'section': 'Section::::History.:National Council of Education, Bengal.\n'}]}, {'provenance': [{'wikipedia_id': '16542', 'title': 'Jadavpur University', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 511, 'bleu_score': 0.9735040436119741, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15512557297770749844}, 'section': 'Section::::History.:National Council of Education, Bengal.\n'}]}]