CREATE TABLE "classification_leadership" (
  "stage" real,
  "winner" text,
  "general_classification" text,
  "youth_classification" text,
  "mountains_classification" text,
  "sprint_classification" text,
  "most_courageous" text,
  "team_classification" text
);

Question: When Mark Cavendish wins sprint classification and Maarten Tjallingii wins most courageous, who wins youth classification?
SQL: SELECT "youth_classification" FROM "classification_leadership" WHERE "sprint_classification"='Mark Cavendish' AND "most_courageous"='Maarten Tjallingii';

Question: Who won the mountains classification when Maarten Tjallingii won most corageous?
SQL: SELECT "mountains_classification" FROM "classification_leadership" WHERE "most_courageous"='Maarten Tjallingii';

Question: When Brett Lancaster won the general classification, who won the team calssification?
SQL: SELECT "team_classification" FROM "classification_leadership" WHERE "general_classification"='Brett Lancaster';

Question: When Peter Sagan won the youth classification and Thomas Rabou won the most corageous, who won the sprint classification?
SQL: SELECT "sprint_classification" FROM "classification_leadership" WHERE "youth_classification"='Peter Sagan' AND "most_courageous"='Thomas Rabou';

Question: When Yaroslav Popovych won most corageous, who won the mountains classification?
SQL: SELECT "mountains_classification" FROM "classification_leadership" WHERE "most_courageous"='Yaroslav Popovych';

Question: When Ryan Anderson won the mountains classification, and Michael Rogers won the general classification, who won the sprint classification?
SQL: SELECT "sprint_classification" FROM "classification_leadership" WHERE "mountains_classification"='Ryan Anderson' AND "general_classification"='Michael Rogers';