Question: What is the general classification of Mapei-CLAS in stage 12?
SQL: SELECT "General classification" FROM "2-15194788-2" WHERE "Team classification" = 'Mapei-CLAS' AND "Stage" = '12';

Question: Which winner has a P stage?
SQL: SELECT "Winner" FROM "2-15194788-2" WHERE "Stage" = 'P';

Question: Which stage corresponds to Banesto and Tony Rominger?
SQL: SELECT "Stage" FROM "2-15194788-2" WHERE "Team classification" = 'Banesto' AND "Points classification" = 'Tony Rominger';