CREATE TABLE table_43820 ("Res." TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Event" TEXT, "Round" TEXT)

What's the record of the UCS 2 - Battle at the Barn when the round was n/a?
SELECT "Record" FROM table_43820 WHERE "Round" = 'n/a' AND "Event" = 'ucs 2 - battle at the barn'
SELECT "Record" FROM "table_43820" WHERE "Event" = 'ucs 2 - battle at the barn' AND "Round" = 'n/a'