Yabla video uses of

shéi
xiān
gōng
xià
秦都 Qíndū
咸阳 Xiányáng
shéi
jiù
zài
关中 Guānzhōng
wéi
Wáng
Whoever was the first to take Qindu in Xianyang (the Qin capital) would be king of Guanzhong.