What's the lowest gold with a total of 4 and less than 2 silver for liechtenstein?
CREATE TABLE "medal_count" (
  "rank" real,
  "nation" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT MIN("gold") FROM "medal_count" WHERE "total"=4 AND "nation"='liechtenstein' AND "silver"<2;