CREATE TABLE table_5748 ("Round" FLOAT, "Pick" FLOAT, "Player" TEXT, "Position" TEXT, "School/Club Team" TEXT)

Pick larger than 229, and a Round smaller than 12, and a Position of defensive back is what school/club team?
SELECT "School/Club Team" FROM table_5748 WHERE "Pick" > '229' AND "Round" < '12' AND "Position" = 'defensive back'
SELECT "School/Club Team" FROM "table_5748" WHERE "Pick" > '229' AND "Position" = 'defensive back' AND "Round" < '12'