Question: who is the actor who plays harry bosch
[{'answer': 'Titus Welliver', 'provenance': [{'wikipedia_id': '41974768', 'title': 'Bosch (TV series)', 'start_paragraph_id': 1, 'start_character': 123, 'end_paragraph_id': 1, 'end_character': 137, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '41974768', 'title': 'Bosch (TV series)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 372, 'bleu_score': 0.9663744727315161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4684340511994839951}, 'section': 'Section::::Abstract.'}]}]