Question: when was the first high definition tv made
[{'answer': '1993', 'provenance': [{'wikipedia_id': '16315657', 'title': 'High-definition television', 'start_paragraph_id': 24, 'start_character': 197, 'end_paragraph_id': 24, 'end_character': 201, 'bleu_score': 1.0, 'section': 'Section::::History.:Analog systems.\n'}]}, {'provenance': [{'wikipedia_id': '16315657', 'title': 'High-definition television', 'start_paragraph_id': 41, 'start_character': 0, 'end_paragraph_id': 41, 'end_character': 1343, 'bleu_score': 0.9908043535876511, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14171964537439693745}, 'section': 'Section::::Inaugural HDTV broadcast in the United States.\n'}]}]