CREATE TABLE table_71194 ("Round" FLOAT, "Name" CLOB, "Position" CLOB, "School" CLOB, "Signed" CLOB)

What is the earliest round drafted for a University of Southern California player?
SELECT MIN("Round") FROM table_71194 WHERE "School" = 'university of southern california'
SELECT MIN("Round") FROM "table_71194" WHERE "School" = 'university of southern california'