How many Silvers that has a Gold smaller than 1, and a Rank of 9, and a Total smaller than 1?
CREATE TABLE "medal_table" (
  "rank" text,
  "nation" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT SUM("silver") FROM "medal_table" WHERE "gold"<1 AND "rank"='9' AND "total"<1;