What, what :-)
A Phone Call
— Hello, are you there?
— Yes, who are you, please?
— Watt.
— What’s your name?
— Watt’s my name.
— Yes, what is your name?
— My name is John Watt.
— John what?
— Yes.
— ?????? I’ll call you again.
— All right. Are you Jones?
— No, I’m Knott.
— Will you tell me your name then?
— Will Knott.
— Why not?
— My name’s Knott.
— Not what?
— Not Watt, Knott!
— What...