So he could yell "Anna 1, Anna 2!"
Three; one to drop the bulb and two to yell "pick it up pick it up!"
None. They wait for the electrician to make a mistake and yell at them for doing it wrong.
She was the sweetest mistake he ever made.
Nothing. (this joke was made by daughter when she was 5)
A singer
I'll be Bach
Because they got lost at C.