"Just like the basketball player?"

That was in response to the exchange:

"How do you spell your last name?"
"D-E-N-G"
"Oh, just like the basketball player?"
(pauses for a mental moment not anticipating this question at all)..."Yeah"

Afterwards, I was thinking I should have replied with, "yeah, he's my cousin".

Oh well, I'm ready for it next time. =)