Question: who's the guy that does the diet dr. pepper commercials
[{'answer': 'Guarini', 'provenance': [{'wikipedia_id': '417943', 'title': 'Justin Guarini', 'start_paragraph_id': 0, 'start_character': 7, 'end_paragraph_id': 0, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '417943', 'title': 'Justin Guarini', 'start_paragraph_id': 31, 'start_character': 0, 'end_paragraph_id': 31, 'end_character': 339, 'bleu_score': 0.9645876452711911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18436906179937552847}, 'section': 'Section::::Career.:2010–present: Acting, hosting and performing.\n'}]}]