What year was finish Toulouse, and stage was larger than 12?
CREATE TABLE "appearances_in_tour_de_france_since_1947" (
  "year" real,
  "stage" real,
  "start" text,
  "finish" text,
  "leader_at_the_summit" text
);
SELECT SUM("year") FROM "appearances_in_tour_de_france_since_1947" WHERE "finish"='toulouse' AND "stage">12;