Question: when was the first wheel of fortune aired
[{'answer': 'January 6 , 1975', 'provenance': [{'wikipedia_id': '25749059', 'title': 'Wheel of Fortune (American game show)', 'start_paragraph_id': 57, 'start_character': 32, 'end_paragraph_id': 57, 'end_character': 48, 'bleu_score': 1.0, 'section': 'Section::::Broadcast history.\n'}]}, {'provenance': [{'wikipedia_id': '25749059', 'title': 'Wheel of Fortune (American game show)', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 463, 'bleu_score': 0.9754554449993441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7879616538721467535}, 'section': 'Section::::Abstract.'}]}]