CREATE TABLE table_41538 ("Position" FLOAT, "Team" TEXT, "Points" FLOAT, "Played" FLOAT, "Drawn" FLOAT, "Lost" FLOAT, "Against" FLOAT, "Difference" TEXT)

What is the average number of drawn with a difference of 17 and 22 points?
SELECT AVG("Drawn") FROM table_41538 WHERE "Difference" = '17' AND "Points" = '22'
SELECT AVG("Drawn") FROM "table_41538" WHERE "Difference" = '17' AND "Points" = '22'