Question: who plays dennis on it's always sunny in philadelphia
[{'answer': 'Glenn Franklin Howerton III', 'provenance': [{'wikipedia_id': '5965702', 'title': 'Glenn Howerton', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5965702', 'title': 'Glenn Howerton', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 237, 'bleu_score': 0.890257934258152, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14106331717709095471}, 'section': 'Section::::Abstract.'}]}]