I wasn’t at any party 40 or 30 years ago for obvious reasons. I wasn’t even at any 20 years ago.
But 10 years ago I was. And I don’t have the slightest idea of who was where doing what at those parties. It would be bizarre if I did. And parties where alcohol is involved? People are lucky if they remember their own names.
And what can the question even be? “You were once at a party nobody knows for sure when or where. Can you tell us what people did when you weren’t present?”
All of this confirms my belief that Blasey Ford is not lying about the assault. She clearly has an irrationally exaggerated view of the importance of that party. She doesn’t seem to understand that for everybody else it was one in a gazillion parties that they don’t remember.