If podiums are 26, what's the lowest WChmp?
CREATE TABLE "by_class" (
  "class" text,
  "season" text,
  "race" real,
  "podiums" real,
  "pole" real,
  "f_lap" real,
  "w_chmp" real
);
SELECT MIN("w_chmp") FROM "by_class" WHERE "podiums"=26;