Question: who played papa elf in the movie elf
[{'answer': 'Bob Newhart', 'provenance': [{'wikipedia_id': '448735', 'title': 'Elf (film)', 'start_paragraph_id': 1, 'start_character': 196, 'end_paragraph_id': 1, 'end_character': 207, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]