CREATE TABLE "1981" (
  "opposing_teams" text,
  "against" real,
  "date" text,
  "venue" text,
  "status" text
);

Question: Where did Wales play?
SQL: SELECT "venue" FROM "1981" WHERE "opposing_teams"='wales';

Question: What venue has 19 against?
SQL: SELECT "venue" FROM "1981" WHERE "against"=19;