Question: who played old paul in the green mile
[{'answer': 'Dabbs Greer', 'provenance': [{'wikipedia_id': '946164', 'title': 'The Green Mile (film)', 'start_paragraph_id': 2, 'start_character': 172, 'end_paragraph_id': 2, 'end_character': 183, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '946164', 'title': 'The Green Mile (film)', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 35, 'bleu_score': 0.51697315395717, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9286250095435849840}, 'section': 'Section::::Cast.\n'}]}]