What's the shortest length from north klondike highway that has a length less than 326?
CREATE TABLE "see_also" (
  "name" text,
  "number" real,
  "from" text,
  "length_km" real,
  "length_mi" real
);
SELECT MIN("length_km") FROM "see_also" WHERE "name"='north klondike highway' AND "length_mi"<326;