Question: what was national louis university’s initial area of specialization
[{'answer': 'education', 'provenance': [{'wikipedia_id': '2093459', 'title': 'National Louis University', 'start_paragraph_id': 1, 'start_character': 300, 'end_paragraph_id': 1, 'end_character': 309, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'helped found the National Kindergarten Movement'}, {'provenance': [{'wikipedia_id': '2093459', 'title': 'National Louis University', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 542, 'bleu_score': 0.706269011901688, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10932089730894982560}, 'section': 'Section::::Abstract.'}]}]