Instructions: 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.
Input: george balanchine (saint petersburg, january 22, 1904 – new york, april 30, 1983) was a ballet dancer and choreographer.
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
george balanchine