CREATE TABLE table_5627 ("Stage" CLOB, "Winner" CLOB, "General classification" CLOB, "Points classification" CLOB, "Mountains classification" CLOB, "Team classification" CLOB)

What is the general classification of Mapei-clas in stage 12?
SELECT "General classification" FROM table_5627 WHERE "Team classification" = 'mapei-clas' AND "Stage" = '12'
SELECT "General classification" FROM "table_5627" WHERE "Stage" = '12' AND "Team classification" = 'mapei-clas'