Question: who's the actor that does the trivago commercials
[{'answer': 'Tim Williams', 'provenance': [{'wikipedia_id': '46845530', 'title': 'Tim Williams (actor)', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]