What is Round 1 from 1977 where Round 3 is Double and Round 4 is Double?
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_1" FROM "scoring_format" WHERE "round_4"='double' AND "from"=1977 AND "round_3"='double';