Question: who played mr green jeans on captain kangaroo
[{'answer': 'Hugh Brannum', 'provenance': [{'wikipedia_id': '1113426', 'title': 'Hugh Brannum', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1113426', 'title': 'Hugh Brannum', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 295, 'bleu_score': 0.958740481558872, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15711508252083425367}, 'section': 'Section::::Abstract.'}]}]