CREATE TABLE table_name_25 (general_classification VARCHAR, team_classification VARCHAR, stage VARCHAR)

What is the general classification of Mapei-clas in stage 12?
SELECT general_classification FROM table_name_25 WHERE team_classification = "mapei-clas" AND stage = "12"
SELECT "general_classification" FROM "table_name_25" WHERE "12" = "stage" AND "mapei-clas" = "team_classification"