Question: where did scientists build the first nanotube computer
[{'answer': 'Stanford University', 'provenance': [{'wikipedia_id': '40636816', 'title': 'Carbon nanotube computer', 'start_paragraph_id': 1, 'start_character': 120, 'end_paragraph_id': 1, 'end_character': 139, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '40636816', 'title': 'Carbon nanotube computer', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 340, 'bleu_score': 0.959574895300321, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17359836797583179371}, 'section': 'Section::::Abstract.'}]}]