Question: Which Stage (Winner) has a Vladimir Karpets General classification and a Team classification of Relax-GAM, and a Points classification of Denis Menchov?
SQL: SELECT "Stage (Winner)" FROM "2-11355733-20" WHERE "General Classification" = 'Vladimir Karpets' AND "Team Classification" = 'Relax-GAM' AND "Points Classification" = 'Denis Menchov';

Question: Which Team classification has a General classification of Vladimir Karpets and a Mountains classification of no award?
SQL: SELECT "Team Classification" FROM "2-11355733-20" WHERE "General Classification" = 'Vladimir Karpets' AND "Mountains Classification" = 'no award';

Question: What Sprints classification has the Points classification, Mark Cavendish and Team classification, Caisse d'Epargne?
SQL: SELECT "Sprints classification" FROM "2-11355733-20" WHERE "Points Classification" = 'Mark Cavendish' AND "Team Classification" = 'Caisse d''Epargne';