Question: who played superman on tv in the 50s
[{'answer': 'George Reeves', 'provenance': [{'wikipedia_id': '255742', 'title': 'George Reeves', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '255742', 'title': 'George Reeves', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 168, 'bleu_score': 0.9321022168949711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3842318015616045444}, 'section': 'Section::::Abstract.'}]}]