CREATE TABLE table_7256 ("Round" FLOAT, "Pick" FLOAT, "Name" TEXT, "Position" TEXT, "School/College" TEXT)

Average round for rodney harrison p before 145?
SELECT AVG("Round") FROM table_7256 WHERE "Name" = 'rodney harrison p' AND "Pick" < '145'
SELECT AVG("Round") FROM "table_7256" WHERE "Name" = 'rodney harrison p' AND "Pick" < '145'