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

Question: What is the total number of winners when the team classification leader was Kelme-Costa Blanca and the combativity award was won by Jacky Durand?
SQL: SELECT COUNT("winner") FROM "classification_leadership" WHERE "team_classification"='Kelme-Costa Blanca' AND "combativity_award"='Jacky Durand';

Question: Who was the general classification leader when the young rider classification leader was Salvatore Commesso and the winner was Erik Dekker?
SQL: SELECT "general_classification" FROM "classification_leadership" WHERE "young_rider_classification"='Salvatore Commesso' AND "winner"='Erik Dekker';

Question: What is the total number of team classifications when the young rider classification leader was Salvatore Commesso and the combativity award winner was Jacky Durand?
SQL: SELECT COUNT("team_classification") FROM "classification_leadership" WHERE "young_rider_classification"='Salvatore Commesso' AND "combativity_award"='Jacky Durand';