Question: what was the first toy advertised on tv in the usa
[{'answer': 'Mr. Potato Head', 'provenance': [{'wikipedia_id': '250531', 'title': 'Mr. Potato Head', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 15, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '250531', 'title': 'Mr. Potato Head', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 764, 'bleu_score': 0.984789766484456, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15097037507897541504}, 'section': 'Section::::Abstract.'}]}]