CREATE TABLE table_71692 ("Year" FLOAT, "Class" TEXT, "Vehicle" TEXT, "Position" TEXT, "Stages won" TEXT)

What is the class that that won 2 stages and has a position of DNF?
SELECT "Class" FROM table_71692 WHERE "Stages won" = '2' AND "Position" = 'dnf'
SELECT "Class" FROM "table_71692" WHERE "Position" = 'dnf' AND "Stages won" = '2'