Generate a topic word for the given sentence. A topic word is usually the name of a person, place, animal, concept or object the sentence is focusing on.

he is more often called davy crockett.
davy crockett

angie dickinson (b september 30 1931 near north dakota) is an american movie actress.
angie dickinson

the occipital lobe is the back part of a mammal's brain.

occipital lobe