CREATE TABLE table_12207 ("Res." TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Event" TEXT, "Round" FLOAT, "Time" TEXT, "Location" TEXT)

What is the round where there was a KO (punch)?
SELECT "Round" FROM table_12207 WHERE "Method" = 'ko (punch)'
SELECT "Round" FROM "table_12207" WHERE "Method" = 'ko (punch)'