Question: when did the cartoon speed racer come out
[{'answer': 'April 1967', 'provenance': [{'wikipedia_id': '238871', 'title': 'Speed Racer', 'start_paragraph_id': 1, 'start_character': 351, 'end_paragraph_id': 1, 'end_character': 361, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '238871', 'title': 'Speed Racer', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 455, 'bleu_score': 0.8171085689649391, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13828622940247140502}, 'section': 'Section::::Abstract.'}]}]