CREATE TABLE table_40258 ("Res." TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Event" TEXT, "Round" FLOAT, "Time" TEXT, "Location" TEXT)

What Round against Aleksander Emelianenko had a time of 5:00?
SELECT "Round" FROM table_40258 WHERE "Time" = '5:00' AND "Opponent" = 'aleksander emelianenko'
SELECT "Round" FROM "table_40258" WHERE "Opponent" = 'aleksander emelianenko' AND "Time" = '5:00'