CREATE TABLE table_54228 ("Year" FLOAT, "Date" TEXT, "Winner" TEXT, "Result" TEXT, "Loser" TEXT, "Location" TEXT)

Who was the loser on December 12, 1971?
SELECT "Loser" FROM table_54228 WHERE "Date" = 'december 12' AND "Year" = '1971'
SELECT "Loser" FROM "table_54228" WHERE "Date" = 'december 12' AND "Year" = '1971'