Table: race_results_3
Columns: stage
winner
general_classification
youth_classification
mountains_classification
sprint_classification
most_courageous
team_classification

Question: When Mark Cavendish wins sprint classification and Maarten Tjallingii wins most courageous, who wins youth classification?
SQL: SELECT "youth_classification" FROM race_results_3 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 race_results_3 WHERE "most_courageous" = 'Maarten Tjallingii'

Question: When Brett Lancaster won the general classification, who won the team calssification?
SQL: SELECT "team_classification" FROM race_results_3 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 race_results_3 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 race_results_3 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 race_results_3 WHERE "mountains_classification" = 'Ryan Anderson' AND "general_classification" = 'Michael Rogers'