Question: what poison does claudius use on hamlet’s father
[{'answer': 'Hebenon', 'provenance': [{'wikipedia_id': '1488270', 'title': 'Hebenon', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 7, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1488270', 'title': 'Hebenon', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 242, 'bleu_score': 0.957870874785216, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6506376982444169660}, 'section': "Section::::Shakespeare's use.\n"}]}]