Question: who is the actor that plays deeks on ncis la
[{'answer': 'Eric Christian Olsen', 'provenance': [{'wikipedia_id': '3316772', 'title': 'Eric Christian Olsen', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3316772', 'title': 'Eric Christian Olsen', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 201, 'bleu_score': 0.8338542560892601, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3445045249687160007}, 'section': 'Section::::Abstract.'}]}]