Question: the ovum gets implanted in uterus after how many days post fertilization with sperm
[{'answer': 'between 6 and 12 days'}, {'provenance': [{'wikipedia_id': '7357937', 'title': 'Implantation (human embryo)', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 150, 'bleu_score': 0.7254204378043241, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6242177269763012569}, 'section': 'Section::::Abstract.'}]}]