What is the Stage, when the Rally leader is C. Atkinson?
CREATE TABLE "special_stages" (
  "stage" text,
  "time_eest" text,
  "name" text,
  "length" text,
  "winner" text,
  "time" text,
  "avg_spd" text,
  "rally_leader" text
);
SELECT "stage" FROM "special_stages" WHERE "rally_leader"='c. atkinson';