Question: who is oliver twist apprenticed to when he leaves the workhouse
[{'answer': 'Sowerberry , the undertaker', 'provenance': [{'wikipedia_id': '13234086', 'title': 'Oliver Twist (character)', 'start_paragraph_id': 4, 'start_character': 444, 'end_paragraph_id': 4, 'end_character': 471, 'bleu_score': 1.0, 'section': 'Section::::Background.\n'}]}, {'provenance': [{'wikipedia_id': '13234086', 'title': 'Oliver Twist (character)', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 668, 'bleu_score': 0.9831208473513011, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17179575201661777822}, 'section': 'Section::::Background.\n'}]}]