CREATE TABLE "stage_results" (
  "stage" text,
  "date" text,
  "course" text,
  "distance" text,
  "winner" text,
  "race_leader" text
);

Question: Who's the race leader of Cuneo to Turin?
SQL: SELECT "race_leader" FROM "stage_results" WHERE "course"='cuneo to turin';

Question: What course are they running on stage 1?
SQL: SELECT "course" FROM "stage_results" WHERE "stage"='1';

Question: What's the distance of the course of stage 4?
SQL: SELECT "distance" FROM "stage_results" WHERE "stage"='4';

Question: What was the distance of the course for stage 4?
SQL: SELECT "distance" FROM "stage_results" WHERE "stage"='4';

Question: Who was the race leader for stage 5?
SQL: SELECT "race_leader" FROM "stage_results" WHERE "stage"='5';