Name the average gold for czech republic and bronze less than 1 when total is less than 14
CREATE TABLE "medal_table" (
  "rank" real,
  "nation" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT AVG("gold") FROM "medal_table" WHERE "total"<14 AND "bronze"<1 AND "nation"='czech republic';