CREATE TABLE table_72904 ("Athlete" CLOB, "Event" CLOB, "Round of 32" CLOB, "Round of 16" CLOB, "Quarterfinals" CLOB, "Semifinals" CLOB)

When there was a bye in the round of 32, what was the result in the round of 16?
SELECT "Semifinals" FROM table_72904 WHERE "Round of 32" = 'Bye'
SELECT "Semifinals" FROM "table_72904" WHERE "Round of 32" = 'Bye'