Question: Yazdegerd II fought wars against which Central Asian people based in Bactria?
Sentence (from "Mihr Narseh"): Mihr Narseh (Middle Persian: "Mihr Narsē"), was a powerful Iranian nobleman from the House of Suren, who served as minister ("wuzurg framadār") of the Sasanian Empire during the reigns of the Sasanian kings Yazdegerd I (r. 399-420), Bahram V (420–438), Yazdegerd II (r. 438–457) and Peroz I (r. 457–484).
Relevant evidence: No