When did the green bay packers win at green bay with an attendance over 70,920?
CREATE TABLE "2000s_packers_12_8" (
  "year" real,
  "date" text,
  "winner" text,
  "result" text,
  "loser" text,
  "attendance" real,
  "location" text
);
SELECT "date" FROM "2000s_packers_12_8" WHERE "location"='green bay' AND "winner"='green bay packers' AND "attendance">'70,920';