Booster Gold (Michael Jon Carter) is a fictional superhero appearing in American comic books published by DC Comics. Created by Dan Jurgens, the character first appeared in "Booster Gold" #1 (February 1986) and has been a member of the Justice League. Using only the above description and what you know about the world, "Booster Gold's first appearance was 33 years ago." is definitely correct, incorrect, or inconclusive? 