CREATE TABLE "classification_leadership" (
  "stage" real,
  "winner" text,
  "general_classification" text,
  "points_classification" text,
  "mountains_classification" text,
  "sprints_classification" text,
  "team_classification" text
);

Question: How many sprints classifications were associated with an overall winner of Joaquin Rodriguez?
SQL: SELECT COUNT("sprints_classification") FROM "classification_leadership" WHERE "winner"='Joaquin Rodriguez';

Question: Who led team classification during the stage whose winner was Chris Horner?
SQL: SELECT "team_classification" FROM "classification_leadership" WHERE "winner"='Chris Horner';

Question: Who led sprints classification when Chris Horner led general classification?
SQL: SELECT "sprints_classification" FROM "classification_leadership" WHERE "general_classification"='Chris Horner';