What is the total number of medals of Norway with a silver medal count greater than 6 and a gold medal count greater than 10?
CREATE TABLE "medal_count" (
  "rank" real,
  "nation" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT COUNT("total") FROM "medal_count" WHERE "silver">6 AND "nation"='norway' AND "gold">10;