Question: who does the voice of mr fredricksen in up
[{'answer': 'Ed Asner', 'provenance': [{'wikipedia_id': '11659396', 'title': 'Up (2009 film)', 'start_paragraph_id': 1, 'start_character': 214, 'end_paragraph_id': 1, 'end_character': 222, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '11659396', 'title': 'Up (2009 film)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 508, 'bleu_score': 0.8357127895795681, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16792915264278626470}, 'section': 'Section::::Abstract.'}]}]