Question: when was the wizard of oz first shown on tv
[{'answer': 'November 3 , 1956', 'provenance': [{'wikipedia_id': '8589718', 'title': 'The Wizard of Oz on television', 'start_paragraph_id': 7, 'start_character': 263, 'end_paragraph_id': 7, 'end_character': 282, 'bleu_score': 1.0, 'section': 'Section::::First telecast.\n'}]}, {'provenance': [{'wikipedia_id': '8589718', 'title': 'The Wizard of Oz on television', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 692, 'bleu_score': 0.860721774151555, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7027971047270212980}, 'section': 'Section::::Abstract.'}]}]