Who was the loser on December 12, 1971?
CREATE TABLE "1970s_raiders_12_6_2" (
  "year" real,
  "date" text,
  "winner" text,
  "result" text,
  "loser" text,
  "location" text
);
SELECT "loser" FROM "1970s_raiders_12_6_2" WHERE "date"='december 12' AND "year"=1971;