CREATE TABLE table_5307 ("Round" FLOAT, "Pick #" FLOAT, "Overall" FLOAT, "Name" TEXT, "Position" TEXT, "College" TEXT)

Which Round is the average one that has a Pick # larger than 26, and a Position of defensive back?
SELECT AVG("Round") FROM table_5307 WHERE "Pick #" > '26' AND "Position" = 'defensive back'
SELECT AVG("Round") FROM "table_5307" WHERE "Pick #" > '26' AND "Position" = 'defensive back'