CREATE TABLE "1989" (
  "opposing_teams" text,
  "against" real,
  "date" text,
  "venue" text,
  "status" text
);

Question: What is the largest Against with an Opposing Teams of wales?
SQL: SELECT MAX("against") FROM "1989" WHERE "opposing_teams"='wales';

Question: What Status has a Date of 18/03/1989?
SQL: SELECT "status" FROM "1989" WHERE "date"='18/03/1989';

Question: What Venue has a Status of five nations, and Against of 0?
SQL: SELECT "venue" FROM "1989" WHERE "status"='five nations' AND "against"=0;

Question: What is the smallest Against with a Date of 18/02/1989?
SQL: SELECT MIN("against") FROM "1989" WHERE "date"='18/02/1989';