How many silver medals were won when there were 4 gold and 22 in total?
CREATE TABLE "men_s_medal_table" (
  "rank" text,
  "nation" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT MIN("silver") FROM "men_s_medal_table" WHERE "gold"=4 AND "total"=22;