Premise: The 1975–76 Seattle SuperSonics season was the 9th season of the Seattle SuperSonics in the National Basketball Association (NBA). The SuperSonics finished the season in second place in the Western Conference with a 43–39 record, the same as the previous year and reached the playoffs for a second consecutive season, where they lost to the Phoenix Suns in the Conference Semifinals in six games.
Hypothesis: The Seattle SuperSonics retired after 1976