CREATE TABLE table_19971 ("Province" CLOB, "Prefecture" CLOB, "County" CLOB, "Tujia Population" FLOAT, "% of Chinas Tujia Population" CLOB)

If yongshun is the county what is the overall percentage of the chinas tujia population?
SELECT "% of Chinas Tujia Population" FROM table_19971 WHERE "County" = 'Yongshun'
SELECT "% of Chinas Tujia Population" FROM "table_19971" WHERE "County" = 'Yongshun'