Question: a drug that might be used in surgery for its amnesic properties is
[{'answer': 'Benzodiazepines', 'provenance': [{'wikipedia_id': '4781', 'title': 'Benzodiazepine', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 15, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'benzodiazepines', 'provenance': [{'wikipedia_id': '4781', 'title': 'Benzodiazepine', 'start_paragraph_id': 1, 'start_character': 413, 'end_paragraph_id': 1, 'end_character': 428, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4781', 'title': 'Benzodiazepine', 'start_paragraph_id': 33, 'start_character': 0, 'end_paragraph_id': 33, 'end_character': 776, 'bleu_score': 0.9831208473513011, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12293465887412379380}, 'section': 'Section::::Medical uses.:Other indications.\n'}]}, {'provenance': [{'wikipedia_id': '4781', 'title': 'Benzodiazepine', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12293465887412379380}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4781', 'title': 'Benzodiazepine', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 773, 'bleu_score': 0.9283692237337081, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12293465887412379380}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4781', 'title': 'Benzodiazepine', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['Benzodiazepines (BZD, BDZ, BZs), sometimes called "benzos", are a class of psychoactive drugs whose core chemical structure is the fusion of a benzene ring and a diazepine ring. The first such drug, chlordiazepoxide (Librium), was discovered accidentally by Leo Sternbach in 1955, and made available in 1960 by HoffmannLa Roche, which, since 1963, has also marketed the benzodiazepine diazepam (Valium). In 1977 benzodiazepines were globally the most prescribed medications. They are in the family of drugs commonly known as minor tranquilizers.', 'benzodiazepines', 'Benzodiazepines (BZD, BDZ, BZs), sometimes called "benzos", are a class of psychoactive drugs whose core chemical structure is the fusion of a benzene ring and a diazepine ring. The first such drug, chlordiazepoxide (Librium), was discovered accidentally by Leo Sternbach in 1955, and made available in 1960 by HoffmannLa Roche, which, since 1963, has also marketed the benzodiazepine diazepam (Valium). In 1977 benzodiazepines were globally the most prescribed medications.']}}]}]