Ask him if he ever played Berkswell British Legion?
Edit:- pretty sure they did Early 70's as dad was secretary and sure they had cope with a bit of trouble that night.
I did wonder why Vallance used the example of a Sixty year old man.
As far as I know the percentage of the total number in the raw data has suggested 0.012 for all mortality sub 80 yr old, so if it was so would be 0.015 to that age group and below.