"Jo Brand: "Later on we see a group of lumberjacks try to predict how much will fly off a log when they cut it - The Chipping Forecast..." (audience groans) "Is that good to get a groan like that?" (Tim: "Yes. Very much so.") "I'm quite pleased with it, thank you! (laughs)""
January 1, 1970
https://en.wikiquote.org/wiki/I'm_Sorry_I_Haven't_a_Clue