《北史·列传·卷四十二》
归来，被任命为大司马，改封爵号为石城郡公。
还，除大司马，改封石城郡公。
<translation>When he returned, he was appointed as Sima and was renamed the Duke of Shicheng County.</translation>
<s>[INST] Translate the following Classical Chinese text into modern Chinese: 还，除大司马，改封石城郡公。 [/INST] 归来，被任命为大司马，改封爵号为石城郡公。</s>
Translate the following Classical Chinese text into modern Chinese: 还，除大司马，改封石城郡公。
user
归来，被任命为大司马，改封爵号为石城郡公。
assistant