CREATE TABLE table_49840 ("Res." TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Event" TEXT, "Round" FLOAT)

What was the lowest round for the KOTC 25: Flaming Fury event?
SELECT MIN("Round") FROM table_49840 WHERE "Event" = 'kotc 25: flaming fury'
SELECT MIN("Round") FROM "table_49840" WHERE "Event" = 'kotc 25: flaming fury'