What is the largest gold when silver is less than 1 for Canada and bronze is less than 0?
CREATE TABLE "medal_table" (
  "rank" real,
  "nation" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT MAX("gold") FROM "medal_table" WHERE "silver"<1 AND "nation"='canada' AND "bronze"<0;