CREATE TABLE table_8205 ("Date" TEXT, "Round" TEXT, "Opponent" TEXT, "Venue" TEXT, "Result" TEXT, "Attendance" TEXT, "Scorers" TEXT)

What is the venue when the Round shows after extra time, chelsea won on 4-1 on penalties?
SELECT "Venue" FROM table_8205 WHERE "Round" = 'after extra time, chelsea won on 4-1 on penalties'
SELECT "Venue" FROM "table_8205" WHERE "Round" = 'after extra time, chelsea won on 4-1 on penalties'