CREATE TABLE "1989" (
  "date" text,
  "city" text,
  "opponent" text,
  "results" text,
  "type_of_game" text
);

Question: Which opponent had a result of 0:1?
SQL: SELECT "opponent" FROM "1989" WHERE "results"='0:1';

Question: When was the game played in Zagreb?
SQL: SELECT "date" FROM "1989" WHERE "city"='zagreb';

Question: Which opponent played a 1990 wcq type of game, where the results were 0:0?
SQL: SELECT "opponent" FROM "1989" WHERE "type_of_game"='1990 wcq' AND "results"='0:0';

Question: When was the game played against Norway with a result of 1:0?
SQL: SELECT "date" FROM "1989" WHERE "opponent"='norway' AND "results"='1:0';