One day a small boy was at school.
In Social Studies class his teacher was talking about peoples last names, about how in the old days their last name used to be their occupation.
She gave examples like Baker, which meant they where a baker for a living,
Miller meant that person worked in a paper mill, and so on.
Then the little boy raised his hand and the teacher said "Do you have an example for the class?"
He said " Not really, more of a question."
"Well what's your question?" the teacher asked.
"Well," said the little boy, " What did John Hancock do for a living?"