Table: race_results_2009
Columns: stage
winner
general_classification
mountains_classification
points_classification
youth_classification
team_classification

Question: What stage number had the general classification Rory Sutherland?
SQL: SELECT COUNT("stage") FROM race_results_2009 WHERE "general_classification" = 'Rory Sutherland'

Question: Who was the Youth Classification in the race with Kenneth Hanson as Mountains Classification and Lucas Sebastian Haedo as winner?
SQL: SELECT "youth_classification" FROM race_results_2009 WHERE "mountains_classification" = 'Kenneth Hanson' AND "winner" = 'Lucas Sebastian Haedo'

Question: Who won the race with Tom Zirbel as Mountains Classification and Thomas Soladay as Points Classification?
SQL: SELECT "winner" FROM race_results_2009 WHERE "mountains_classification" = 'Tom Zirbel' AND "points_classification" = 'Thomas Soladay'

Question: Who was Mountains Classification in the race with Nick Frey as Youth Classification and Tom Zirbel as Points Classification?
SQL: SELECT "mountains_classification" FROM race_results_2009 WHERE "youth_classification" = 'Nick Frey' AND "points_classification" = 'Tom Zirbel'

Question: How many Mountains Classifications were in the race with Mike Northey as Youth Classification?
SQL: SELECT COUNT("mountains_classification") FROM race_results_2009 WHERE "youth_classification" = 'Mike Northey'