query: How many seasons did 90210 have?
passage: Beverly Hills, 90210
Beverly Hills, 90210 is an American teen drama television series created by Darren Star and produced by Aaron Spelling under his production company Spelling Television. The series ran for ten seasons on Fox—originally airing from October 4, 1990 to May 17, 2000. This, the longest-running show produced by Spelling, aired slightly longer than Dynasty. It is the first of five television series in the Beverly Hills, 90210 franchise and follows the lives of a group of friends living in the upscale and star-studded community of Beverly Hills, California as they transition from high school to college and into the adult world. The "90210" in the title refers to one of the city's five ZIP codes.[2]
passage: Beverly Hills, 90210 (franchise)
Charles Pratt, Jr. and Frank South worked closely with Darren Star in writing early seasons of "Melrose Place", helping to set the tone of the series as it grew in popularity. Pratt and South would then create the similarly toned "Models Inc." Rebecca Sinclair wrote for "90210" during the first season prior to her promotion.