What is round 3 where From is earlier than 1990 and the Goal is 400?
CREATE TABLE "scoring_format" (
  "from" real,
  "goal" text,
  "round_1" text,
  "round_2" text,
  "round_3" text,
  "round_4" text,
  "round_5" text,
  "round_6" text
);
SELECT "round_3" FROM "scoring_format" WHERE "from"<1990 AND "goal"='400';