What is the least silvers where there are 39 bronzes and the total is less than 120?
CREATE TABLE "medals_table" (
  "rank" real,
  "nation" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT MIN("silver") FROM "medals_table" WHERE "bronze"=39 AND "total"<120;