Q: The turtle took two chocolates to Texas to teach Thomas to tie his boots. How many Ts in that?
A: There are 2 Ts in “That“!

Explanation:  The question confuses the listener by having a sentence with so many of the letter “T”.  While you are distracted trying to count Ts, the real question comes- How many Ts in “That”?  Well, in the word “that” there are only 2 Ts: one at the beginning and one at the end. Got ya!