Question: who designed it's a small world for disney and unicef at the 1964 world's fair
[{'answer': 'WED Enterprises', 'provenance': [{'wikipedia_id': '438349', 'title': "It's a Small World", 'start_paragraph_id': 3, 'start_character': 95, 'end_paragraph_id': 3, 'end_character': 110, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '438349', 'title': "It's a Small World", 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 768, 'bleu_score': 0.8724324195356511, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14621818029090001475}, 'section': 'Section::::History.\n'}]}]