《史记·七十列传·龟策列传》
当时元王就派人飞驰前往泉阳，问泉阳县令说： 渔民有多少家？
於是王乃使人驰而往问泉阳令曰： 渔者几何家？
At that time, Yuan Wang sent someone to rush to Quanyang to ask the county magistrate of Quanyang: How many families of fishermen are there?