Task: Explanation
Input (English): Zarmihr Karen (died 558) was an Iranian nobleman from the House of Karen, who served as the Sasanian governor of Zabulistan. He was the son of Sukhra. Question: What was the original name for the region where Zarmihr Karen served as Sasanian governor? Answer: Zavolistan
Output (English): Zarmihr Karen died 558 was an Iranian nobleman from the House of Karen, who served as the Sasanian governor of Zabulistan.