CREATE TABLE table_74731 ("Driver" TEXT, "Car #" FLOAT, "Make" TEXT, "Points" TEXT, "Laps" FLOAT, "Winnings" TEXT)

What is the average car number of all the drivers with 109 points?
SELECT AVG("Car #") FROM table_74731 WHERE "Points" = '109'
SELECT AVG("Car #") FROM "table_74731" WHERE "Points" = '109'