Original sentence: and ended up having her own network television series, The Tracey Ullman Show, from which The Simpsons was spun off in 1989
Edited sentence: and ended up having her own network television series, The Tracey Ullman Show, from which The Simpsons was spun off in 1989 and almost 20 years is one of the most popular and longest running television serials of its kind in the world