Question: who played the husband on the donna reed show
[{'answer': 'Carl Lawrence Betz', 'provenance': [{'wikipedia_id': '2812504', 'title': 'Carl Betz', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2812504', 'title': 'Carl Betz', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 525, 'bleu_score': 0.978375183951072, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6731755445492019749}, 'section': 'Section::::Abstract.'}]}]