Question: when was the first 3d television first introduced
[{'answer': '1935', 'provenance': [{'wikipedia_id': '21576279', 'title': '3D television', 'start_paragraph_id': 4, 'start_character': 295, 'end_paragraph_id': 4, 'end_character': 299, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '21576279', 'title': '3D television', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 1480, 'bleu_score': 0.9687318608866011, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12367645603481749267}, 'section': 'Section::::History.\n'}]}]