CREATE TABLE table_5583 ("Round" FLOAT, "Pick #" FLOAT, "Overall" FLOAT, "Name" TEXT, "Position" TEXT, "College" TEXT)

Which Overall is the lowest one that has a Position of offensive tackle?
SELECT MIN("Overall") FROM table_5583 WHERE "Position" = 'offensive tackle'
SELECT MIN("Overall") FROM "table_5583" WHERE "Position" = 'offensive tackle'