CREATE TABLE table_8729 ("Res." CLOB, "Record" CLOB, "Opponent" CLOB, "Method" CLOB, "Event" CLOB, "Round" CLOB)

What is the round when the loss came with a record of 2-4?
SELECT "Round" FROM table_8729 WHERE "Res." = 'loss' AND "Record" = '2-4'
SELECT "Round" FROM "table_8729" WHERE "Record" = '2-4' AND "Res." = 'loss'