CREATE TABLE table_10881 ("Result" TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Event" TEXT, "Round" FLOAT, "Location" TEXT)

Which Event has the Opponent, Jason Yee?
SELECT "Event" FROM table_10881 WHERE "Opponent" = 'jason yee'
SELECT "Event" FROM "table_10881" WHERE "Opponent" = 'jason yee'