CREATE TABLE table_15371 ("Year" FLOAT, "Team" TEXT, "Co-Drivers" TEXT, "Class" TEXT, "Laps" FLOAT, "Pos." TEXT)

How many years was Audi Sport Team Joest in 3rd position?
SELECT COUNT("Year") FROM table_15371 WHERE "Team" = 'audi sport team joest' AND "Pos." = '3rd'
SELECT COUNT("Year") FROM "table_15371" WHERE "Pos." = '3rd' AND "Team" = 'audi sport team joest'