A Man walks into a irish bar

A Man walks into an Irish Bar, that was full of Irish Men. He goes to the bartender and asks for a beer.
Whilst his beer is being poured a man in the bar stands up and says
"42".
Everyone starts laughing. The man ignores it.
He takes a sip of his beer.
Another man stands up and says
"62". Everyone is laughing again.
The man asks the bartender
"What going on."
The bartender says "Well, instead of saying the jokes, we number them. How about you give it a try"
"Oh alright" The man stands up and says
"94".
Everyone is laughing so hard, falling of chairs crying from laughter.
The man says to the bartender "Why was that so funny?"
"We haven't heard that one before"