CREATE TABLE "medal_table" (
  "rank" real,
  "nation" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);

Question: What is the highest ranked nation with 15 silver medals and no more than 47 total?
SQL: SELECT MAX("rank") FROM "medal_table" WHERE "silver"=15 AND "total"<47;