CREATE TABLE table_64531 ("Rank" FLOAT, "Athletes" TEXT, "Country" TEXT, "Time" TEXT, "Notes" TEXT)

Which country was ranked 8 and noted as qs?
SELECT "Country" FROM table_64531 WHERE "Notes" = 'qs' AND "Rank" = '8'
SELECT "Country" FROM "table_64531" WHERE "Notes" = 'qs' AND "Rank" = '8'