Question: Name the mountains classification for Team Columbia
SQL: SELECT "Mountains Classification" FROM "1-19115414-4" WHERE "Team Classification" = 'Team Columbia';

Question: Name the number of stage winners for Team Columbia
SQL: SELECT COUNT("Stage (Winner)") FROM "1-19115414-4" WHERE "Team Classification" = 'Team Columbia';

Question: Name the mountains classification for Alexander Kristoff
SQL: SELECT "Mountains Classification" FROM "1-19115414-4" WHERE "Points Classification" = 'Alexander Kristoff';