Name the total number of 1stm when 2nd m is 125.5
CREATE TABLE "kuopio" (
  "rank" real,
  "name" text,
  "nationality" text,
  "1st_m" text,
  "2nd_m" text,
  "points" text,
  "overall_nt_points" text,
  "overall_wc_points_rank" text
);
SELECT COUNT("1st_m") FROM "kuopio" WHERE "2nd_m"='125.5';