CREATE TABLE "1973" (
  "date" text,
  "city" text,
  "opponent" text,
  "results" text,
  "type_of_game" text
);

Question: what city has a game of friendly and an opponent of tunisia?
SQL: SELECT "city" FROM "1973" WHERE "type_of_game"='friendly' AND "opponent"='tunisia';

Question: what are the results of the opponent of spain?
SQL: SELECT "results" FROM "1973" WHERE "opponent"='spain';

Question: what results are dated december 19?
SQL: SELECT "results" FROM "1973" WHERE "date"='december 19';

Question: what city has the results of 4:2?
SQL: SELECT "city" FROM "1973" WHERE "results"='4:2';

Question: what type of game has the resuts of 1:0?
SQL: SELECT "type_of_game" FROM "1973" WHERE "results"='1:0';