Which rank has a more than 0 silver, 4 bronze, and a total smaller than 10?
CREATE TABLE "performances_by_nation" (
  "rank" real,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT SUM("rank") FROM "performances_by_nation" WHERE "silver">0 AND "bronze"=4 AND "total"<10;