Question: who plays agent stahl on shades of blue
[{'answer': 'Warren Kole', 'provenance': [{'wikipedia_id': '46584707', 'title': 'Shades of Blue (TV series)', 'start_paragraph_id': 36, 'start_character': 100, 'end_paragraph_id': 36, 'end_character': 111, 'bleu_score': 1.0, 'section': 'Section::::Production.:Casting.\n'}]}, {'provenance': [{'wikipedia_id': '46584707', 'title': 'Shades of Blue (TV series)', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 170, 'bleu_score': 0.8266114125804571, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3823091145174886186}, 'section': 'Section::::Cast and characters.:Main.\n'}]}]