《后汉书·列传·西羌传》
从爰韧种五代到研，研最强健，自此以后，羌人以研作为部族称号。
从爰剑种五世至研，研最豪健，自后以研为种号。
From Yuanren the Fifth to Yan, Yan was the most powerful. Since then, the Qiang people use Yan as their tribal name.
<s>[INST] Convert the following English text into Classical Chinese: From Yuanren the Fifth to Yan, Yan was the most powerful. Since then, the Qiang people use Yan as their tribal name. [/INST] 从爰剑种五世至研，研最豪健，自后以研为种号。</s>
Convert the following English text into Classical Chinese: From Yuanren the Fifth to Yan, Yan was the most powerful. Since then, the Qiang people use Yan as their tribal name.
user
从爰剑种五世至研，研最豪健，自后以研为种号。
assistant