What is the round 4 that has from less than 1990, and double for round 3?
CREATE TABLE "scoring_format" (
  "from" real,
  "goal" real,
  "round_1" text,
  "round_2" text,
  "round_3" text,
  "round_4" text,
  "round_5" text,
  "round_6" text
);
SELECT "round_4" FROM "scoring_format" WHERE "from"<1990 AND "round_3"='double';