Who is the opposition on the division 1 game at Stamford Bridge?
CREATE TABLE "sunderland_a_f_c_goals" (
  "date" text,
  "venue" text,
  "opposition" text,
  "score" text,
  "competition" text
);
SELECT "opposition" FROM "sunderland_a_f_c_goals" WHERE "competition"='division 1' AND "venue"='stamford bridge';