CREATE TABLE table_65446 ("Year" FLOAT, "Team" TEXT, "Co-Drivers" TEXT, "Class" TEXT, "Laps" FLOAT, "Pos." TEXT, "Class Pos." TEXT)

What is the average number of laps with a dnf pos.?
SELECT AVG("Laps") FROM table_65446 WHERE "Pos." = 'dnf'
SELECT AVG("Laps") FROM "table_65446" WHERE "Pos." = 'dnf'