What is the lowest year for stage 12, category 1?
CREATE TABLE "other_appearances_in_tour_de_france" (
  "year" real,
  "stage" real,
  "category" text,
  "start" text,
  "finish" text,
  "leader_at_the_summit" text
);
SELECT MIN("year") FROM "other_appearances_in_tour_de_france" WHERE "category"='1' AND "stage"=12;