What nation won the fewest gold medals while being in Rank 1, with a total of 37 medals and more than 7 bronze medals?
CREATE TABLE "performance_by_nation" (
  "rank" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT MIN("gold") FROM "performance_by_nation" WHERE "total"=37 AND "rank"='1' AND "bronze">7;