CREATE TABLE "schedule" (
  "game" real,
  "date" text,
  "opponent" text,
  "result" text,
  "oilers_points" real,
  "opponents" real,
  "oilers_first_downs" real,
  "record" text,
  "attendance" real
);

Question: What was the total opponents points for the game were the Oilers scored 21?
SQL: SELECT "opponents" FROM "schedule" WHERE "oilers_points"=21;