CREATE TABLE table_30969 ("Episode" FLOAT, "Broadcast date" TEXT, "Guest ( s ) " TEXT, "Singer ( s ) " TEXT, "Ratings" TEXT)

which episode did sarah millican and grayson perry appear in
SELECT MIN("Episode") FROM table_30969 WHERE "Guest(s)" = 'Sarah Millican and Grayson Perry'
SELECT MIN("Episode") FROM "table_30969" WHERE "Guest(s)" = 'Sarah Millican and Grayson Perry'