On week 7, what were the opponents?
CREATE TABLE "table1_25380472_2" (
  "week" real,
  "date" text,
  "kickoff" text,
  "opponent" text,
  "final_score" text,
  "team_record" text,
  "game_site" text,
  "attendance" real
);
SELECT "opponent" FROM "table1_25380472_2" WHERE "week"=7;