Question: Name all the team clasification where the combination classification is Mederic Clain
SQL: SELECT "Team classification" FROM "1-15088557-1" WHERE "Combination classification" = 'Mederic Clain';

Question: In how many stages did Jose Vicente Garcia Acosta won?
SQL: SELECT COUNT("Stage") FROM "1-15088557-1" WHERE "Winner" = 'Jose Vicente Garcia Acosta';

Question: What is the minimum stage where Sergei Smetanine won?
SQL: SELECT MIN("Stage") FROM "1-15088557-1" WHERE "Winner" = 'Sergei Smetanine';

Question: what is the minimum stage where mountains classification is Aitor Osa and Aitor González won?
SQL: SELECT MIN("Stage") FROM "1-15088557-1" WHERE "Mountains classification" = 'Aitor Osa' AND "Winner" = 'Aitor González';