Which Rank has a Nation of china (chn), and a Bronze smaller than 4?
CREATE TABLE "medal_table" (
  "rank" real,
  "nation" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT MAX("rank") FROM "medal_table" WHERE "nation"='china (chn)' AND "bronze"<4;