Question: what is the gestation period of a human being
[{'answer': 'about 40 weeks', 'provenance': [{'wikipedia_id': '12312', 'title': 'Gestation', 'start_paragraph_id': 7, 'start_character': 296, 'end_paragraph_id': 7, 'end_character': 310, 'bleu_score': 1.0, 'section': 'Section::::Mammals.:Humans.\n'}]}, {'provenance': [{'wikipedia_id': '12312', 'title': 'Gestation', 'start_paragraph_id': 7, 'start_character': 248, 'end_paragraph_id': 7, 'end_character': 464, 'bleu_score': 0.6806164125656851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7608891344695938997}, 'section': 'Section::::Mammals.:Humans.\n'}]}]