Question: who plays the old man in home alone
[{'answer': 'Roberts Scott Blossom', 'provenance': [{'wikipedia_id': '556523', 'title': 'Roberts Blossom', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '556523', 'title': 'Roberts Blossom', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 479, 'bleu_score': 0.9321992460304711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1029796545781357336}, 'section': 'Section::::Abstract.'}]}]