CREATE TABLE table_21768 ("P" FLOAT, "Player" TEXT, "Position" TEXT, "League" FLOAT, "Copa del Rey" FLOAT, "Champions League" FLOAT, "Total" FLOAT)

when the total is 8 and copa del rey is 0 what is the minimum league
SELECT MIN("League") FROM table_21768 WHERE "Total" = '8' AND "Copa del Rey" = '0'
SELECT MIN("League") FROM "table_21768" WHERE "Copa del Rey" = '0' AND "Total" = '8'