CREATE TABLE table_name_59 (general_classification VARCHAR2, points_classification VARCHAR2, stage VARCHAR2)

What is the general classification at stage 18 that has a points classification of Tony Rominger?
SELECT general_classification FROM table_name_59 WHERE points_classification = "tony rominger" AND stage = "18"
SELECT "general_classification" FROM "table_name_59" WHERE "18" = "stage" AND "points_classification" = "tony rominger"