Question: list of all ivy league schools in u.s
[{'answer': 'Brown University', 'provenance': [{'wikipedia_id': '14975', 'title': 'Ivy League', 'start_paragraph_id': 1, 'start_character': 302, 'end_paragraph_id': 1, 'end_character': 318, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Columbia University', 'provenance': [{'wikipedia_id': '14975', 'title': 'Ivy League', 'start_paragraph_id': 1, 'start_character': 320, 'end_paragraph_id': 1, 'end_character': 339, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Cornell University', 'provenance': [{'wikipedia_id': '14975', 'title': 'Ivy League', 'start_paragraph_id': 1, 'start_character': 341, 'end_paragraph_id': 1, 'end_character': 359, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Dartmouth College', 'provenance': [{'wikipedia_id': '14975', 'title': 'Ivy League', 'start_paragraph_id': 1, 'start_character': 361, 'end_paragraph_id': 1, 'end_character': 378, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Harvard University', 'provenance': [{'wikipedia_id': '14975', 'title': 'Ivy League', 'start_paragraph_id': 1, 'start_character': 380, 'end_paragraph_id': 1, 'end_character': 398, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'University of Pennsylvania', 'provenance': [{'wikipedia_id': '14975', 'title': 'Ivy League', 'start_paragraph_id': 1, 'start_character': 404, 'end_paragraph_id': 1, 'end_character': 430, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Princeton University', 'provenance': [{'wikipedia_id': '14975', 'title': 'Ivy League', 'start_paragraph_id': 1, 'start_character': 432, 'end_paragraph_id': 1, 'end_character': 452, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Yale University', 'provenance': [{'wikipedia_id': '14975', 'title': 'Ivy League', 'start_paragraph_id': 1, 'start_character': 458, 'end_paragraph_id': 1, 'end_character': 473, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '14975', 'title': 'Ivy League', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 574, 'bleu_score': 0.7225872646021201, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2525531919809286017}, 'section': 'Section::::Abstract.'}]}]