CREATE TABLE "appearances_in_tour_de_france" (
  "year" real,
  "stage" real,
  "category" text,
  "start" text,
  "finish" text,
  "leader_at_the_summit" text
);

Question: Who was the leader at the summit for the race in 2005?
SQL: SELECT "leader_at_the_summit" FROM "appearances_in_tour_de_france" WHERE "year"=2005;

Question: What is the sum of the stages for category 1 races after the year 2003?
SQL: SELECT SUM("stage") FROM "appearances_in_tour_de_france" WHERE "category"='1' AND "year">2003;