Question: actor who played santa claus in fred claus
[{'answer': 'Paul Giamatti', 'provenance': [{'wikipedia_id': '7682778', 'title': 'Fred Claus', 'start_paragraph_id': 1, 'start_character': 159, 'end_paragraph_id': 1, 'end_character': 172, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]