Question: A股中石油最近一个交易日的最低价
Answer: 必答点：中国石油A股的最新最低价
精度要求：仅允许四舍五入误差
Date: 2025/8/14
Reference data: {"601857___SH":{"RT_TIME":"150001","RT_DATE":"20250814","RT_LOW":"8.65"}}