CREATE TABLE table_68460 ("Series 1" TEXT, "Series 2" TEXT, "Series 3" TEXT, "Series 5" TEXT, "Series 9" TEXT, "Series 11" TEXT)

What series 1 has a Doug Richards in Series 2?
SELECT "Series 1" FROM table_68460 WHERE "Series 2" = 'doug richards'
SELECT "Series 1" FROM "table_68460" WHERE "Series 2" = 'doug richards'