CREATE TABLE table_68461 ("Series 1" TEXT, "Series 2" TEXT, "Series 3" TEXT, "Series 5" TEXT, "Series 9" TEXT, "Series 11" TEXT)

Who in series 1 corresponds with Peter Jones in series 5?
SELECT "Series 1" FROM table_68461 WHERE "Series 5" = 'peter jones'
SELECT "Series 1" FROM "table_68461" WHERE "Series 5" = 'peter jones'