Question: who played andy sipowicz son on nypd blue
[{'answer': 'Dennis Franz', 'provenance': [{'wikipedia_id': '2158011', 'title': 'Andy Sipowicz', 'start_paragraph_id': 1, 'start_character': 107, 'end_paragraph_id': 1, 'end_character': 119, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2158011', 'title': 'Andy Sipowicz', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 162, 'bleu_score': 0.857469471952348, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15834225386190240474}, 'section': 'Section::::Abstract.'}]}]