Given the task definition and input, reply with output. Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.

Context: Booster Gold first appeared in Booster Gold #1 (February 1986), being the first significant new character introduced into DC Universe continuity after the Crisis on Infinite Earths.
Question: What fictional universe is Booster Gold a part of?
dc universe