CREATE TABLE "1991" (
  "opposing_teams" text,
  "against" real,
  "date" text,
  "venue" text,
  "status" text
);

Question: What is Venue, when Status is "Test Match", and when Against is "12"?
SQL: SELECT "venue" FROM "1991" WHERE "status"='test match' AND "against"=12;

Question: What is Opposing Teams, when Date is "11/10/1991"?
SQL: SELECT "opposing_teams" FROM "1991" WHERE "date"='11/10/1991';

Question: What is Date, when Opposing Teams is "Australia", and when Venue is "Twickenham , London"?
SQL: SELECT "date" FROM "1991" WHERE "opposing_teams"='australia' AND "venue"='twickenham , london';

Question: What is Against, when Opposing Teams is "Australia", and when Date is "27/07/1991"?
SQL: SELECT "against" FROM "1991" WHERE "opposing_teams"='australia' AND "date"='27/07/1991';