CREATE TABLE table_71220 ("Round" FLOAT, "Pick #" FLOAT, "Overall" FLOAT, "Name" TEXT, "Position" TEXT, "College" TEXT)

What is the highest round for College of Nebraska if the Overall is under 190?
SELECT MAX("Round") FROM table_71220 WHERE "College" = 'nebraska' AND "Overall" < '190'
SELECT MAX("Round") FROM "table_71220" WHERE "College" = 'nebraska' AND "Overall" < '190'