CREATE TABLE table_48682 ("Res." TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Event" TEXT, "Round" FLOAT, "Time" TEXT, "Location" TEXT)

What is the event where the opponent was Chris Barden?
SELECT "Event" FROM table_48682 WHERE "Opponent" = 'chris barden'
SELECT "Event" FROM "table_48682" WHERE "Opponent" = 'chris barden'