CREATE TABLE table_68578 ("Res." CLOB, "Record" CLOB, "Opponent" CLOB, "Method" CLOB, "Event" CLOB, "Round" CLOB)

Which event is a win by an opponent of Nicolas Smith, with the round marked n/a?
SELECT "Event" FROM table_68578 WHERE "Res." = 'win' AND "Round" = 'n/a' AND "Opponent" = 'nicolas smith'
SELECT "Event" FROM "table_68578" WHERE "Opponent" = 'nicolas smith' AND "Res." = 'win' AND "Round" = 'n/a'