CREATE TABLE table_44648 ("Round" FLOAT, "Pick" FLOAT, "Overall" FLOAT, "Name" CLOB, "Position" CLOB, "College" CLOB)

what is the lowest overall when the pick is 20?
SELECT MIN("Overall") FROM table_44648 WHERE "Pick" = '20'
SELECT MIN("Overall") FROM "table_44648" WHERE "Pick" = '20'