Question: how many chromosomes are in a human karyotype
[{'answer': '46', 'provenance': [{'wikipedia_id': '152038', 'title': 'Karyotype', 'start_paragraph_id': 4, 'start_character': 239, 'end_paragraph_id': 4, 'end_character': 241, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '152038', 'title': 'Karyotype', 'start_paragraph_id': 17, 'start_character': 0, 'end_paragraph_id': 17, 'end_character': 249, 'bleu_score': 0.885632718431904, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6206798793362232090}, 'section': 'Section::::History of karyotype studies.\n'}]}]