CREATE TABLE table_8728 ("Res." CLOB, "Record" CLOB, "Opponent" CLOB, "Method" CLOB, "Event" CLOB, "Round" CLOB)

What is the round when the opponent is Andre Roberts?
SELECT "Round" FROM table_8728 WHERE "Opponent" = 'andre roberts'
SELECT "Round" FROM "table_8728" WHERE "Opponent" = 'andre roberts'