What is the fewest gold medals when there is 0 bronze medals, and the rank is 19, and silver medals are less than 1?
CREATE TABLE "medal_table" (
  "rank" text,
  "nation" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT MIN("gold") FROM "medal_table" WHERE "bronze"=0 AND "rank"='19' AND "silver"<1;