CREATE TABLE table_68514 ("Round" FLOAT, "Name" CLOB, "Position" CLOB, "School" CLOB, "Signed" CLOB)

Was the University of Southern California Signed?
SELECT "Signed" FROM table_68514 WHERE "School" = 'university of southern california'
SELECT "Signed" FROM "table_68514" WHERE "School" = 'university of southern california'