Question: in which part of meiosis does the chromosome number reduced
[{'answer': 'Meiosis I', 'provenance': [{'wikipedia_id': '18976', 'title': 'Meiosis', 'start_paragraph_id': 2, 'start_character': 212, 'end_paragraph_id': 2, 'end_character': 221, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '18976', 'title': 'Meiosis', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 1650, 'bleu_score': 0.9683152261633501, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17776169709289062064}, 'section': 'Section::::Abstract.'}]}]