Which is the lowest crop total with New South Wales at 42 kilotonnes and Victorian at less than 68 kilotonnes?
CREATE TABLE "crops" (
  "crop_kilotonnes" text,
  "new_south_wales" real,
  "victoria" real,
  "queensland" real,
  "western_australia" real,
  "south_australia" real,
  "tasmania" real,
  "total" real
);
SELECT MIN("total") FROM "crops" WHERE "new_south_wales"=42 AND "victoria"<68;