What is Tie no, when Date is "18 Nov 1989", and when Home Team is "Doncaster Rovers"?
CREATE TABLE "first_round_proper" (
  "tie_no" text,
  "home_team" text,
  "score" text,
  "away_team" text,
  "date" text
);
SELECT "tie_no" FROM "first_round_proper" WHERE "date"='18 nov 1989' AND "home_team"='doncaster rovers';