What is the highest pole for class 125 cc and a WChmp more than 1?
CREATE TABLE "by_class" (
  "class" text,
  "seas" text,
  "1st_gp" text,
  "1st_pod" text,
  "1st_win" text,
  "race" real,
  "podiums" real,
  "pole" real,
  "f_lap" real,
  "w_chmp" real
);
SELECT MAX("pole") FROM "by_class" WHERE "class"='125 cc' AND "w_chmp">1;