Question: who plays billy murphy in the young offenders
[{'answer': 'Shane Casey', 'provenance': [{'wikipedia_id': '56553950', 'title': 'The Young Offenders (TV series)', 'start_paragraph_id': 1, 'start_character': 535, 'end_paragraph_id': 1, 'end_character': 546, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]