Question: Emperor Go-Toba was what head of the Imperial Family in Japan?
Sentence (from "Shin Kokin Wakashū"): It was commissioned in 1201 by the retired emperor Go-Toba (r 1183-1198), who established a new Bureau of Poetry at his Nijō palace with eleven Fellows, headed by Fujiwara no Yoshitsune, for the purpose of conducting poetry contests and compiling the anthology.
Relevant evidence: No